1198402312 has 16 divisors (see below), whose sum is σ = 2253268800. Its totient is φ = 597530640.

The previous prime is 1198402307. The next prime is 1198402319. The reversal of 1198402312 is 2132048911.

It is not an unprimeable number, because it can be changed into a prime (1198402319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205764 + ... + 211507.

It is an arithmetic number, because the mean of its divisors is an integer number (140829300).

Almost surely, 2^1198402312 is an apocalyptic number.

It is an amenable number.

1198402312 is a deficient number, since it is larger than the sum of its proper divisors (1054866488).

1198402312 is a wasteful number, since it uses less digits than its factorization.

1198402312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417636 (or 417632 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1198402312 is about 34617.9478305690. The cubic root of 1198402312 is about 1062.1867494915.

The spelling of 1198402312 in words is "one billion, one hundred ninety-eight million, four hundred two thousand, three hundred twelve".