121012111130310 has 96 divisors (see below), whose sum is σ = 325727499726720. Its totient is φ = 31150654700544.

The previous prime is 121012111130249. The next prime is 121012111130333. The reversal of 121012111130310 is 13031111210121.

121012111130310 is a `hidden beast` number, since 1 + 2 + 10 + 1 + 211 + 1 + 130 + 310 = 666.

It is a super-2 number, since 2×121012111130310² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

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, 195636855 + ... + 196254434.

It is an arithmetic number, because the mean of its divisors is an integer number (3392994788820).

Almost surely, 2^{121012111130310} is an apocalyptic number.

121012111130310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121012111130310 is an abundant number, since it is smaller than the sum of its proper divisors (204715388596410).

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

121012111130310 is a wasteful number, since it uses less digits than its factorization.

121012111130310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391891422 (or 391891419 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 121012111130310 its reverse (13031111210121), we get a palindrome (134043222340431).

The spelling of 121012111130310 in words is "one hundred twenty-one trillion, twelve billion, one hundred eleven million, one hundred thirty thousand, three hundred ten".