12406451212 has 6 divisors (see below), whose sum is σ = 21711289628. Its totient is φ = 6203225604.

The previous prime is 12406451201. The next prime is 12406451257. The reversal of 12406451212 is 21215460421.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550806398 + ... + 1550806405.

Almost surely, 2^12406451212 is an apocalyptic number.

It is an amenable number.

12406451212 is a deficient number, since it is larger than the sum of its proper divisors (9304838416).

12406451212 is a wasteful number, since it uses less digits than its factorization.

12406451212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101612807 (or 3101612805 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 12406451212 in words is "twelve billion, four hundred six million, four hundred fifty-one thousand, two hundred twelve".