102012131230 has 16 divisors (see below), whose sum is σ = 183631806864. Its totient is φ = 40802636800.

The previous prime is 102012131197. The next prime is 102012131231. The reversal of 102012131230 is 32131210201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012131231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76696 + ... + 458155.

It is an arithmetic number, because the mean of its divisors is an integer number (11476987929).

Almost surely, 2^102012131230 is an apocalyptic number.

102012131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102012131230 is a deficient number, since it is larger than the sum of its proper divisors (81619675634).

102012131230 is a wasteful number, since it uses less digits than its factorization.

102012131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553931.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102012131230 its reverse (32131210201), we get a palindrome (134143341431).

The spelling of 102012131230 in words is "one hundred two billion, twelve million, one hundred thirty-one thousand, two hundred thirty".