12101231032 has 32 divisors (see below), whose sum is σ = 25030652400. Its totient is φ = 5438752000.

The previous prime is 12101231029. The next prime is 12101231039. The reversal of 12101231032 is 23013210121.

It is a junction number, because it is equal to n+sod(n) for n = 12101230997 and 12101231015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101231039) 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, 764719 + ... + 780382.

Almost surely, 2^12101231032 is an apocalyptic number.

It is an amenable number.

12101231032 is an abundant number, since it is smaller than the sum of its proper divisors (12929421368).

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

12101231032 is a wasteful number, since it uses less digits than its factorization.

12101231032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545207 (or 1545203 counting only the distinct ones).

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

Adding to 12101231032 its reverse (23013210121), we get a palindrome (35114441153).

The spelling of 12101231032 in words is "twelve billion, one hundred one million, two hundred thirty-one thousand, thirty-two".