104212112140 has 72 divisors (see below), whose sum is σ = 224711202240. Its totient is φ = 40590111744.

The previous prime is 104212112101. The next prime is 104212112189. The reversal of 104212112140 is 41211212401.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8413632 + ... + 8426008.

It is an arithmetic number, because the mean of its divisors is an integer number (3120988920).

Almost surely, 2^104212112140 is an apocalyptic number.

104212112140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104212112140 is an abundant number, since it is smaller than the sum of its proper divisors (120499090100).

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

104212112140 is a wasteful number, since it uses less digits than its factorization.

104212112140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12611 (or 12536 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 104212112140 its reverse (41211212401), we get a palindrome (145423324541).

The spelling of 104212112140 in words is "one hundred four billion, two hundred twelve million, one hundred twelve thousand, one hundred forty".