12020301000 has 192 divisors, whose sum is σ = 41727844080. Its totient is φ = 3118694400.

The previous prime is 12020300947. The next prime is 12020301067. The reversal of 12020301000 is 10302021.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 576864324 + 11443436676 = 24018^2 + 106974^2 .

It is a super-2 number, since 2×12020301000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 314952 + ... + 351048.

Almost surely, 2^12020301000 is an apocalyptic number.

12020301000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12020301000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20863922040).

12020301000 is an abundant number, since it is smaller than the sum of its proper divisors (29707543080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12020301000 is a wasteful number, since it uses less digits than its factorization.

12020301000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36161 (or 36144 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 12020301000 its reverse (10302021), we get a palindrome (12030603021).

The spelling of 12020301000 in words is "twelve billion, twenty million, three hundred one thousand".