1208313912 has 64 divisors (see below), whose sum is σ = 3301764480. Its totient is φ = 366233472.

The previous prime is 1208313853. The next prime is 1208313961. The reversal of 1208313912 is 2193138021.

It is a self number, because there is not a number n which added to its sum of digits gives 1208313912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7998 + ... + 49805.

It is an arithmetic number, because the mean of its divisors is an integer number (51590070).

Almost surely, 2^1208313912 is an apocalyptic number.

1208313912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1208313912 is an abundant number, since it is smaller than the sum of its proper divisors (2093450568).

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

1208313912 is a wasteful number, since it uses less digits than its factorization.

1208313912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57892 (or 57888 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1208313912 is about 34760.8100020699. The cubic root of 1208313912 is about 1065.1070482448.

The spelling of 1208313912 in words is "one billion, two hundred eight million, three hundred thirteen thousand, nine hundred twelve".