102011130212 has 12 divisors (see below), whose sum is σ = 179425669500. Its totient is φ = 50746653216.

The previous prime is 102011130187. The next prime is 102011130229. The reversal of 102011130212 is 212031110201.

It can be written as a sum of positive squares in 2 ways, for example, as 99744798976 + 2266331236 = 315824^2 + 47606^2 .

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, 64727087 + ... + 64728662.

It is an arithmetic number, because the mean of its divisors is an integer number (14952139125).

Almost surely, 2^102011130212 is an apocalyptic number.

It is an amenable number.

102011130212 is a deficient number, since it is larger than the sum of its proper divisors (77414539288).

102011130212 is a wasteful number, since it uses less digits than its factorization.

102011130212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129455950 (or 129455948 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 102011130212 its reverse (212031110201), we get a palindrome (314042240413).

The spelling of 102011130212 in words is "one hundred two billion, eleven million, one hundred thirty thousand, two hundred twelve".