121020013031202 has 24 divisors (see below), whose sum is σ = 262354815730800. Its totient is φ = 40317729344280.

The previous prime is 121020013031059. The next prime is 121020013031227. The reversal of 121020013031202 is 202130310020121.

121020013031202 is a `hidden beast` number, since 1 + 21 + 0 + 200 + 130 + 312 + 0 + 2 = 666.

It is a super-3 number, since 3×121020013031202³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1856216452 + ... + 1856281647.

It is an arithmetic number, because the mean of its divisors is an integer number (10931450655450).

Almost surely, 2^{121020013031202} is an apocalyptic number.

121020013031202 is an abundant number, since it is smaller than the sum of its proper divisors (141334802699598).

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

121020013031202 is a wasteful number, since it uses less digits than its factorization.

121020013031202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712499918 (or 3712499915 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121020013031202 its reverse (202130310020121), we get a palindrome (323150323051323).

The spelling of 121020013031202 in words is "one hundred twenty-one trillion, twenty billion, thirteen million, thirty-one thousand, two hundred two".