40202012 has 12 divisors (see below), whose sum is σ = 71144640. Its totient is φ = 19874976.

The previous prime is 40202003. The next prime is 40202021. The reversal of 40202012 is 21020204.

It is an interprime number because it is at equal distance from previous prime (40202003) and next prime (40202021).

It is a junction number, because it is equal to n+sod(n) for n = 40201984 and 40202002.

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, 56108 + ... + 56819.

It is an arithmetic number, because the mean of its divisors is an integer number (5928720).

Almost surely, 2^40202012 is an apocalyptic number.

It is an amenable number.

40202012 is a deficient number, since it is larger than the sum of its proper divisors (30942628).

40202012 is a wasteful number, since it uses less digits than its factorization.

40202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113020 (or 113018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 40202012 is about 6340.5056580686. The cubic root of 40202012 is about 342.5699489506.

Adding to 40202012 its reverse (21020204), we get a palindrome (61222216).

The spelling of 40202012 in words is "forty million, two hundred two thousand, twelve".