121010200010112 has 128 divisors (see below), whose sum is σ = 369404642361600. Its totient is φ = 34381189969920.

The previous prime is 121010200010039. The next prime is 121010200010201. The reversal of 121010200010112 is 211010002010121.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125269339 + ... + 126231642.

It is an arithmetic number, because the mean of its divisors is an integer number (2885973768450).

Almost surely, 2^{121010200010112} is an apocalyptic number.

121010200010112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121010200010112 is an abundant number, since it is smaller than the sum of its proper divisors (248394442351488).

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

121010200010112 is a wasteful number, since it uses less digits than its factorization.

121010200010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251501184 (or 251501172 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121010200010112 its reverse (211010002010121), we get a palindrome (332020202020233).

The spelling of 121010200010112 in words is "one hundred twenty-one trillion, ten billion, two hundred million, ten thousand, one hundred twelve".