102021120120212 has 24 divisors (see below), whose sum is σ = 183077574950592. Its totient is φ = 49715772920000.

The previous prime is 102021120120211. The next prime is 102021120120217. The reversal of 102021120120212 is 212021021120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021120120211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316257914 + ... + 316580337.

It is an arithmetic number, because the mean of its divisors is an integer number (7628232289608).

Almost surely, 2^{102021120120212} is an apocalyptic number.

It is an amenable number.

102021120120212 is a deficient number, since it is larger than the sum of its proper divisors (81056454830380).

102021120120212 is a wasteful number, since it uses less digits than its factorization.

102021120120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632839279 (or 632839277 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102021120120212 its reverse (212021021120201), we get a palindrome (314042141240413).

The spelling of 102021120120212 in words is "one hundred two trillion, twenty-one billion, one hundred twenty million, one hundred twenty thousand, two hundred twelve".