102431222012 has 24 divisors (see below), whose sum is σ = 215644679040. Its totient is φ = 41588616240.

The previous prime is 102431222009. The next prime is 102431222027. The reversal of 102431222012 is 210222134201.

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, 96269414 + ... + 96270477.

It is an arithmetic number, because the mean of its divisors is an integer number (8985194960).

Almost surely, 2^102431222012 is an apocalyptic number.

It is an amenable number.

102431222012 is an abundant number, since it is smaller than the sum of its proper divisors (113213457028).

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

102431222012 is a wasteful number, since it uses less digits than its factorization.

102431222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192539921 (or 192539919 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 102431222012 its reverse (210222134201), we get a palindrome (312653356213).

The spelling of 102431222012 in words is "one hundred two billion, four hundred thirty-one million, two hundred twenty-two thousand, twelve".