12101002032 has 40 divisors (see below), whose sum is σ = 35726768896. Its totient is φ = 3457429056.

The previous prime is 12101002021. The next prime is 12101002073. The reversal of 12101002032 is 23020010121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12101001999 and 12101002017.

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, 18007108 + ... + 18007779.

Almost surely, 2^12101002032 is an apocalyptic number.

12101002032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12101002032 is an abundant number, since it is smaller than the sum of its proper divisors (23625766864).

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

12101002032 is a wasteful number, since it uses less digits than its factorization.

12101002032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36014905 (or 36014899 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12101002032 its reverse (23020010121), we get a palindrome (35121012153).

The spelling of 12101002032 in words is "twelve billion, one hundred one million, two thousand, thirty-two".