1012400322 has 16 divisors (see below), whose sum is σ = 2025196992. Its totient is φ = 337400720.

The previous prime is 1012400297. The next prime is 1012400359. The reversal of 1012400322 is 2230042101.

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, 24547 + ... + 51257.

It is an arithmetic number, because the mean of its divisors is an integer number (126574812).

Almost surely, 2^1012400322 is an apocalyptic number.

1012400322 is an abundant number, since it is smaller than the sum of its proper divisors (1012796670).

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

1012400322 is a wasteful number, since it uses less digits than its factorization.

1012400322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33033.

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

The square root of 1012400322 is about 31818.2388261827. The cubic root of 1012400322 is about 1004.1164720727.

Adding to 1012400322 its reverse (2230042101), we get a palindrome (3242442423).

The spelling of 1012400322 in words is "one billion, twelve million, four hundred thousand, three hundred twenty-two".