12465712212 has 24 divisors (see below), whose sum is σ = 29763097056. Its totient is φ = 4058603808.

The previous prime is 12465712211. The next prime is 12465712243. The reversal of 12465712212 is 21221756421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12465712211) 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, 12078663 + ... + 12079694.

It is an arithmetic number, because the mean of its divisors is an integer number (1240129044).

Almost surely, 2^12465712212 is an apocalyptic number.

12465712212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12465712212 is an abundant number, since it is smaller than the sum of its proper divisors (17297384844).

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

12465712212 is a wasteful number, since it uses less digits than its factorization.

12465712212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24158407 (or 24158405 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The spelling of 12465712212 in words is "twelve billion, four hundred sixty-five million, seven hundred twelve thousand, two hundred twelve".