2121012020300 has 36 divisors (see below), whose sum is σ = 4616501280216. Its totient is φ = 845841638400.

The previous prime is 2121012020297. The next prime is 2121012020333. The reversal of 2121012020300 is 30202101212.

It is a happy number.

It is a super-2 number, since 2×2121012020300² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32006357 + ... + 32072556.

Almost surely, 2^{2121012020300} is an apocalyptic number.

2121012020300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121012020300 is an abundant number, since it is smaller than the sum of its proper divisors (2495489259916).

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

2121012020300 is a wasteful number, since it uses less digits than its factorization.

2121012020300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64079258 (or 64079251 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2121012020300 its reverse (30202101212), we get a palindrome (2151214121512).

The spelling of 2121012020300 in words is "two trillion, one hundred twenty-one billion, twelve million, twenty thousand, three hundred".