12120031102 has 32 divisors (see below), whose sum is σ = 20160866304. Its totient is φ = 5435337600.

The previous prime is 12120031069. The next prime is 12120031193. The reversal of 12120031102 is 20113002121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183327 + ... + 240517.

It is an arithmetic number, because the mean of its divisors is an integer number (630027072).

Almost surely, 2^12120031102 is an apocalyptic number.

12120031102 is a deficient number, since it is larger than the sum of its proper divisors (8040835202).

12120031102 is a wasteful number, since it uses less digits than its factorization.

12120031102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57504.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12120031102 its reverse (20113002121), we get a palindrome (32233033223).

The spelling of 12120031102 in words is "twelve billion, one hundred twenty million, thirty-one thousand, one hundred two".