200402312 has 32 divisors (see below), whose sum is σ = 427740480. Its totient is φ = 87130560.

The previous prime is 200402311. The next prime is 200402327. The reversal of 200402312 is 213204002.

It is a super-2 number, since 2×200402312² = 80322173309890688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200402311) 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, 47483 + ... + 51530.

It is an arithmetic number, because the mean of its divisors is an integer number (13366890).

Almost surely, 2^200402312 is an apocalyptic number.

200402312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

200402312 is an abundant number, since it is smaller than the sum of its proper divisors (227338168).

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

200402312 is a wasteful number, since it uses less digits than its factorization.

200402312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99053 (or 99049 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 200402312 is about 14156.3523550384. The cubic root of 200402312 is about 585.1954074848.

Adding to 200402312 its reverse (213204002), we get a palindrome (413606314).

The spelling of 200402312 in words is "two hundred million, four hundred two thousand, three hundred twelve".