401292012 has 24 divisors (see below), whose sum is σ = 1021470912. Its totient is φ = 121603600.

The previous prime is 401291963. The next prime is 401292049. The reversal of 401292012 is 210292104.

It is a super-2 number, since 2×401292012² = 322070557790016288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401292012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1519914 + ... + 1520177.

It is an arithmetic number, because the mean of its divisors is an integer number (42561288).

Almost surely, 2^401292012 is an apocalyptic number.

It is an amenable number.

401292012 is an abundant number, since it is smaller than the sum of its proper divisors (620178900).

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

401292012 is a wasteful number, since it uses less digits than its factorization.

401292012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040109 (or 3040107 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 401292012 is about 20032.2742593047. The cubic root of 401292012 is about 737.5987492783.

The spelling of 401292012 in words is "four hundred one million, two hundred ninety-two thousand, twelve".