102011331212 has 48 divisors (see below), whose sum is σ = 206434905600. Its totient is φ = 43205011200.

The previous prime is 102011331211. The next prime is 102011331217. The reversal of 102011331212 is 212133110201.

It is not an unprimeable number, because it can be changed into a prime (102011331211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 826289 + ... + 941687.

It is an arithmetic number, because the mean of its divisors is an integer number (4300727200).

Almost surely, 2^102011331212 is an apocalyptic number.

It is an amenable number.

102011331212 is an abundant number, since it is smaller than the sum of its proper divisors (104423574388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102011331212 is a wasteful number, since it uses less digits than its factorization.

102011331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115782 (or 115780 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 102011331212 its reverse (212133110201), we get a palindrome (314144441413).

The spelling of 102011331212 in words is "one hundred two billion, eleven million, three hundred thirty-one thousand, two hundred twelve".