102212103231232 has 36 divisors (see below), whose sum is σ = 204027346279960. Its totient is φ = 51105448977408.

The previous prime is 102212103231211. The next prime is 102212103231239. The reversal of 102212103231232 is 232132301212201.

It is a junction number, because it is equal to n+sod(n) for n = 102212103231197 and 102212103231206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212103231239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19804723 + ... + 24426445.

Almost surely, 2^{102212103231232} is an apocalyptic number.

It is an amenable number.

102212103231232 is a deficient number, since it is larger than the sum of its proper divisors (101815243048728).

102212103231232 is an frugal number, since it uses more digits than its factorization.

102212103231232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708128 (or 4708114 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 102212103231232 its reverse (232132301212201), we get a palindrome (334344404443433).

The spelling of 102212103231232 in words is "one hundred two trillion, two hundred twelve billion, one hundred three million, two hundred thirty-one thousand, two hundred thirty-two".