3212400412 has 24 divisors (see below), whose sum is σ = 6262905600. Its totient is φ = 1431519936.

The previous prime is 3212400391. The next prime is 3212400413. The reversal of 3212400412 is 2140042123.

It is a self number, because there is not a number n which added to its sum of digits gives 3212400412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212400413) 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, 1063612 + ... + 1066627.

It is an arithmetic number, because the mean of its divisors is an integer number (260954400).

Almost surely, 2^3212400412 is an apocalyptic number.

It is an amenable number.

3212400412 is a deficient number, since it is larger than the sum of its proper divisors (3050505188).

3212400412 is a wasteful number, since it uses less digits than its factorization.

3212400412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130285 (or 2130283 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3212400412 is about 56678.0417092899. The cubic root of 3212400412 is about 1475.5136255099.

Adding to 3212400412 its reverse (2140042123), we get a palindrome (5352442535).

The spelling of 3212400412 in words is "three billion, two hundred twelve million, four hundred thousand, four hundred twelve".