121445034762112 has 128 divisors (see below), whose sum is σ = 258500988432000. Its totient is φ = 56662544480256.

The previous prime is 121445034762083. The next prime is 121445034762197. The reversal of 121445034762112 is 211267430544121.

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

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, 2059093839 + ... + 2059152817.

It is an arithmetic number, because the mean of its divisors is an integer number (2019538972125).

Almost surely, 2^{121445034762112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121445034762112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129250494216000).

121445034762112 is an abundant number, since it is smaller than the sum of its proper divisors (137055953669888).

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

121445034762112 is a wasteful number, since it uses less digits than its factorization.

121445034762112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71716 (or 71704 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 121445034762112 in words is "one hundred twenty-one trillion, four hundred forty-five billion, thirty-four million, seven hundred sixty-two thousand, one hundred twelve".