102232031021012 has 24 divisors (see below), whose sum is σ = 180506238430056. Its totient is φ = 50658904977408.

The previous prime is 102232031021009. The next prime is 102232031021017. The reversal of 102232031021012 is 210120130232201.

It can be written as a sum of positive squares in 4 ways, for example, as 23222047793476 + 79009983227536 = 4818926^2 + 8888756^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102232031021017) 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, 5794703 + ... + 15428630.

It is an arithmetic number, because the mean of its divisors is an integer number (7521093267919).

Almost surely, 2^{102232031021012} is an apocalyptic number.

It is an amenable number.

102232031021012 is a deficient number, since it is larger than the sum of its proper divisors (78274207409044).

102232031021012 is a wasteful number, since it uses less digits than its factorization.

102232031021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21234107 (or 21234105 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 102232031021012 its reverse (210120130232201), we get a palindrome (312352161253213).

The spelling of 102232031021012 in words is "one hundred two trillion, two hundred thirty-two billion, thirty-one million, twenty-one thousand, twelve".