10121200312020 has 96 divisors (see below), whose sum is σ = 32403042287616. Its totient is φ = 2312331408000.

The previous prime is 10121200312009. The next prime is 10121200312033. The reversal of 10121200312020 is 2021300212101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4759156 + ... + 6549195.

It is an arithmetic number, because the mean of its divisors is an integer number (337531690496).

Almost surely, 2^{10121200312020} is an apocalyptic number.

10121200312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121200312020 is an abundant number, since it is smaller than the sum of its proper divisors (22281841975596).

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

10121200312020 is a wasteful number, since it uses less digits than its factorization.

10121200312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11310501 (or 11310499 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10121200312020 its reverse (2021300212101), we get a palindrome (12142500524121).

The spelling of 10121200312020 in words is "ten trillion, one hundred twenty-one billion, two hundred million, three hundred twelve thousand, twenty".