12101302312 has 32 divisors (see below), whose sum is σ = 26055439200. Its totient is φ = 5211086400.

The previous prime is 12101302307. The next prime is 12101302319. The reversal of 12101302312 is 21320310121.

It is not an unprimeable number, because it can be changed into a prime (12101302319) 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, 3617139 + ... + 3620482.

It is an arithmetic number, because the mean of its divisors is an integer number (814232475).

Almost surely, 2^12101302312 is an apocalyptic number.

It is an amenable number.

12101302312 is an abundant number, since it is smaller than the sum of its proper divisors (13954136888).

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

12101302312 is a wasteful number, since it uses less digits than its factorization.

12101302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7237657 (or 7237653 counting only the distinct ones).

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

Adding to 12101302312 its reverse (21320310121), we get a palindrome (33421612433).

It can be divided in two parts, 12101 and 302312, that added together give a palindrome (314413).

The spelling of 12101302312 in words is "twelve billion, one hundred one million, three hundred two thousand, three hundred twelve".