121210122210942 has 32 divisors (see below), whose sum is σ = 242458821083808. Its totient is φ = 40396945147776.

The previous prime is 121210122210941. The next prime is 121210122211001. The reversal of 121210122210942 is 249012221012121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121210122210941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1209474828 + ... + 1209575040.

It is an arithmetic number, because the mean of its divisors is an integer number (7576838158869).

Almost surely, 2^{121210122210942} is an apocalyptic number.

121210122210942 is an abundant number, since it is smaller than the sum of its proper divisors (121248698872866).

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

121210122210942 is a wasteful number, since it uses less digits than its factorization.

121210122210942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130284.

The product of its (nonzero) digits is 2304, while the sum is 30.

The spelling of 121210122210942 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred twenty-two million, two hundred ten thousand, nine hundred forty-two".