1200012432 has 40 divisors (see below), whose sum is σ = 3158529984. Its totient is φ = 392456064.

The previous prime is 1200012421. The next prime is 1200012461. The reversal of 1200012432 is 2342100021.

1200012432 is a modest number, since divided by 12432 gives 1200 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233308 + ... + 238395.

Almost surely, 2^1200012432 is an apocalyptic number.

1200012432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1200012432 is an abundant number, since it is smaller than the sum of its proper divisors (1958517552).

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

1200012432 is a wasteful number, since it uses less digits than its factorization.

1200012432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471767 (or 471761 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1200012432 is about 34641.1955913765. The cubic root of 1200012432 is about 1062.6622388842.

Adding to 1200012432 its reverse (2342100021), we get a palindrome (3542112453).

The spelling of 1200012432 in words is "one billion, two hundred million, twelve thousand, four hundred thirty-two".