40102112412 has 36 divisors (see below), whose sum is σ = 104108940936. Its totient is φ = 13006090080.

The previous prime is 40102112411. The next prime is 40102112471. The reversal of 40102112412 is 21421120104.

40102112412 is a `hidden beast` number, since 40 + 1 + 0 + 211 + 2 + 412 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40102112411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15052014 + ... + 15054677.

It is an arithmetic number, because the mean of its divisors is an integer number (2891915026).

Almost surely, 2^40102112412 is an apocalyptic number.

It is an amenable number.

40102112412 is an abundant number, since it is smaller than the sum of its proper divisors (64006828524).

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

40102112412 is a wasteful number, since it uses less digits than its factorization.

40102112412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30106738 (or 30106733 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 40102112412 its reverse (21421120104), we get a palindrome (61523232516).

The spelling of 40102112412 in words is "forty billion, one hundred two million, one hundred twelve thousand, four hundred twelve".