122010021121012 has 12 divisors (see below), whose sum is σ = 213728314399236. Its totient is φ = 60944788435520.

The previous prime is 122010021120973. The next prime is 122010021121049. The reversal of 122010021121012 is 210121120010221.

It can be written as a sum of positive squares in 2 ways, for example, as 39963309295716 + 82046711825296 = 6321654^2 + 9057964^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15055526689 + ... + 15055534792.

It is an arithmetic number, because the mean of its divisors is an integer number (17810692866603).

Almost surely, 2^{122010021121012} is an apocalyptic number.

It is an amenable number.

122010021121012 is a deficient number, since it is larger than the sum of its proper divisors (91718293278224).

122010021121012 is a wasteful number, since it uses less digits than its factorization.

122010021121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30111062498 (or 30111062496 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122010021121012 its reverse (210121120010221), we get a palindrome (332131141131233).

The spelling of 122010021121012 in words is "one hundred twenty-two trillion, ten billion, twenty-one million, one hundred twenty-one thousand, twelve".