102212122021012 has 24 divisors (see below), whose sum is σ = 179006065862400. Its totient is φ = 51067537262976.

The previous prime is 102212122021007. The next prime is 102212122021043. The reversal of 102212122021012 is 210120221212201.

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, 74592189 + ... + 75950107.

It is an arithmetic number, because the mean of its divisors is an integer number (7458586077600).

Almost surely, 2^{102212122021012} is an apocalyptic number.

It is an amenable number.

102212122021012 is a deficient number, since it is larger than the sum of its proper divisors (76793943841388).

102212122021012 is a wasteful number, since it uses less digits than its factorization.

102212122021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372095 (or 1372093 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102212122021012 its reverse (210120221212201), we get a palindrome (312332343233213).

The spelling of 102212122021012 in words is "one hundred two trillion, two hundred twelve billion, one hundred twenty-two million, twenty-one thousand, twelve".