102120211012012 has 48 divisors (see below), whose sum is σ = 179521392879360. Its totient is φ = 50828956356672.

The previous prime is 102120211012003. The next prime is 102120211012013. The reversal of 102120211012012 is 210210112021201.

It is not an unprimeable number, because it can be changed into a prime (102120211012013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4987058718 + ... + 4987079194.

It is an arithmetic number, because the mean of its divisors is an integer number (3740029018320).

Almost surely, 2^{102120211012012} is an apocalyptic number.

It is an amenable number.

102120211012012 is a deficient number, since it is larger than the sum of its proper divisors (77401181867348).

102120211012012 is a wasteful number, since it uses less digits than its factorization.

102120211012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27190 (or 27188 counting only the distinct ones).

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

Adding to 102120211012012 its reverse (210210112021201), we get a palindrome (312330323033213).

The spelling of 102120211012012 in words is "one hundred two trillion, one hundred twenty billion, two hundred eleven million, twelve thousand, twelve".