1206404312 has 16 divisors (see below), whose sum is σ = 2262435840. Its totient is φ = 603088096.

The previous prime is 1206404291. The next prime is 1206404341. The reversal of 1206404312 is 2134046021.

It is a super-2 number, since 2×1206404312² = 2910822728024386688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45353 + ... + 66855.

It is an arithmetic number, because the mean of its divisors is an integer number (141402240).

Almost surely, 2^1206404312 is an apocalyptic number.

It is an amenable number.

1206404312 is a deficient number, since it is larger than the sum of its proper divisors (1056031528).

1206404312 is a wasteful number, since it uses less digits than its factorization.

1206404312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28522 (or 28518 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1206404312 is about 34733.3314267434. The cubic root of 1206404312 is about 1064.5456596841.

The spelling of 1206404312 in words is "one billion, two hundred six million, four hundred four thousand, three hundred twelve".