102130220212 has 24 divisors (see below), whose sum is σ = 188813841440. Its totient is φ = 48202814880.

The previous prime is 102130220209. The next prime is 102130220233. The reversal of 102130220212 is 212022031201.

It is a happy number.

It is a super-2 number, since 2×102130220212² (a number of 23 digits) contains 22 as substring.

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, 2404614 + ... + 2446717.

Almost surely, 2^102130220212 is an apocalyptic number.

It is an amenable number.

102130220212 is a deficient number, since it is larger than the sum of its proper divisors (86683621228).

102130220212 is a wasteful number, since it uses less digits than its factorization.

102130220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4851631 (or 4851629 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102130220212 its reverse (212022031201), we get a palindrome (314152251413).

The spelling of 102130220212 in words is "one hundred two billion, one hundred thirty million, two hundred twenty thousand, two hundred twelve".