40012112130 has 16 divisors (see below), whose sum is σ = 96029069184. Its totient is φ = 10669896560.

The previous prime is 40012112117. The next prime is 40012112171. The reversal of 40012112130 is 3121121004.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 666868506 + ... + 666868565.

It is an arithmetic number, because the mean of its divisors is an integer number (6001816824).

Almost surely, 2^40012112130 is an apocalyptic number.

40012112130 is an abundant number, since it is smaller than the sum of its proper divisors (56016957054).

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

40012112130 is a wasteful number, since it uses less digits than its factorization.

40012112130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333737081.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 40012112130 its reverse (3121121004), we get a palindrome (43133233134).

The spelling of 40012112130 in words is "forty billion, twelve million, one hundred twelve thousand, one hundred thirty".