122002121012 has 18 divisors (see below), whose sum is σ = 223190084418. Its totient is φ = 58348839472.

The previous prime is 122002121009. The next prime is 122002121029. The reversal of 122002121012 is 210121200221.

It can be written as a sum of positive squares in only one way, i.e., 121770289936 + 231831076 = 348956^2 + 15226^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28826363 + ... + 28830594.

Almost surely, 2^122002121012 is an apocalyptic number.

It is an amenable number.

122002121012 is a deficient number, since it is larger than the sum of its proper divisors (101187963406).

122002121012 is a wasteful number, since it uses less digits than its factorization.

122002121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57657007 (or 57656982 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122002121012 its reverse (210121200221), we get a palindrome (332123321233).

The spelling of 122002121012 in words is "one hundred twenty-two billion, two million, one hundred twenty-one thousand, twelve".