202120122112112 has 40 divisors (see below), whose sum is σ = 394136406258192. Its totient is φ = 100407613363200.

The previous prime is 202120122112063. The next prime is 202120122112121. The reversal of 202120122112112 is 211211221021202.

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, 25364312 + ... + 32366472.

Almost surely, 2^{202120122112112} is an apocalyptic number.

It is an amenable number.

202120122112112 is a deficient number, since it is larger than the sum of its proper divisors (192016284146080).

202120122112112 is a wasteful number, since it uses less digits than its factorization.

202120122112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7013817 (or 7013811 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 202120122112112 its reverse (211211221021202), we get a palindrome (413331343133314).

The spelling of 202120122112112 in words is "two hundred two trillion, one hundred twenty billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twelve".