121210010121112 has 32 divisors (see below), whose sum is σ = 250123633134480. Its totient is φ = 54607888706560.

The previous prime is 121210010121089. The next prime is 121210010121199. The reversal of 121210010121112 is 211121010012121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6094620493 + ... + 6094640380.

Almost surely, 2^{121210010121112} is an apocalyptic number.

It is an amenable number.

121210010121112 is an abundant number, since it is smaller than the sum of its proper divisors (128913623013368).

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

121210010121112 is a wasteful number, since it uses less digits than its factorization.

121210010121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12189261003 (or 12189260999 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 121210010121112 its reverse (211121010012121), we get a palindrome (332331020133233).

The spelling of 121210010121112 in words is "one hundred twenty-one trillion, two hundred ten billion, ten million, one hundred twenty-one thousand, one hundred twelve".