102100011011212 has 12 divisors (see below), whose sum is σ = 178678786653136. Its totient is φ = 51048929110320.

The previous prime is 102100011011179. The next prime is 102100011011227. The reversal of 102100011011212 is 212110110001201.

It is a happy number.

It is a super-2 number, since 2×102100011011212² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102100011011192 and 102100011011201.

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, 268885383 + ... + 269264830.

Almost surely, 2^{102100011011212} is an apocalyptic number.

It is an amenable number.

102100011011212 is a deficient number, since it is larger than the sum of its proper divisors (76578775641924).

102100011011212 is a wasteful number, since it uses less digits than its factorization.

102100011011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538197648 (or 538197646 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102100011011212 its reverse (212110110001201), we get a palindrome (314210121012413).

The spelling of 102100011011212 in words is "one hundred two trillion, one hundred billion, eleven million, eleven thousand, two hundred twelve".