122002222121012 has 24 divisors (see below), whose sum is σ = 235891764513216. Its totient is φ = 54916601260928.

The previous prime is 122002222120981. The next prime is 122002222121107. The reversal of 122002222121012 is 210121222200221.

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, 39003266378 + ... + 39003269505.

It is an arithmetic number, because the mean of its divisors is an integer number (9828823521384).

Almost surely, 2^{122002222121012} is an apocalyptic number.

It is an amenable number.

122002222121012 is a deficient number, since it is larger than the sum of its proper divisors (113889542392204).

122002222121012 is a wasteful number, since it uses less digits than its factorization.

122002222121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78006535927 (or 78006535925 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122002222121012 its reverse (210121222200221), we get a palindrome (332123444321233).

The spelling of 122002222121012 in words is "one hundred twenty-two trillion, two billion, two hundred twenty-two million, one hundred twenty-one thousand, twelve".