102101012212 has 12 divisors (see below), whose sum is σ = 186445326816. Its totient is φ = 48830918840.

The previous prime is 102101012203. The next prime is 102101012239. The reversal of 102101012212 is 212210101201.

It is a junction number, because it is equal to n+sod(n) for n = 102101012192 and 102101012201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554896714 + ... + 554896897.

It is an arithmetic number, because the mean of its divisors is an integer number (15537110568).

Almost surely, 2^102101012212 is an apocalyptic number.

It is an amenable number.

102101012212 is a deficient number, since it is larger than the sum of its proper divisors (84344314604).

102101012212 is a wasteful number, since it uses less digits than its factorization.

102101012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109793638 (or 1109793636 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102101012212 its reverse (212210101201), we get a palindrome (314311113413).

The spelling of 102101012212 in words is "one hundred two billion, one hundred one million, twelve thousand, two hundred twelve".