40125012 has 12 divisors (see below), whose sum is σ = 93625056. Its totient is φ = 13375000.

The previous prime is 40124963. The next prime is 40125023. The reversal of 40125012 is 21052104.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×40125012² = 3220033176000288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40124982 and 40125000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1671864 + ... + 1671887.

It is an arithmetic number, because the mean of its divisors is an integer number (7802088).

Almost surely, 2^40125012 is an apocalyptic number.

It is an amenable number.

40125012 is an abundant number, since it is smaller than the sum of its proper divisors (53500044).

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

40125012 is a wasteful number, since it uses less digits than its factorization.

40125012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343758 (or 3343756 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 40125012 is about 6334.4306768643. The cubic root of 40125012 is about 342.3510980071.

Adding to 40125012 its reverse (21052104), we get a palindrome (61177116).

The spelling of 40125012 in words is "forty million, one hundred twenty-five thousand, twelve".