120421511230 has 24 divisors (see below), whose sum is σ = 222174495576. Its totient is φ = 46993753920.

The previous prime is 120421511179. The next prime is 120421511237. The reversal of 120421511230 is 32115124021.

It is a super-2 number, since 2×120421511230² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120421511237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3565032 + ... + 3598651.

It is an arithmetic number, because the mean of its divisors is an integer number (9257270649).

Almost surely, 2^120421511230 is an apocalyptic number.

120421511230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120421511230 is a deficient number, since it is larger than the sum of its proper divisors (101752984346).

120421511230 is an equidigital number, since it uses as much as digits as its factorization.

120421511230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7163772 (or 7163731 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 120421511230 its reverse (32115124021), we get a palindrome (152536635251).

The spelling of 120421511230 in words is "one hundred twenty billion, four hundred twenty-one million, five hundred eleven thousand, two hundred thirty".