12354136635008 has 128 divisors (see below), whose sum is σ = 30629099376000. Its totient is φ = 4843000737792.

The previous prime is 12354136634999. The next prime is 12354136635031. The reversal of 12354136635008 is 80053663145321.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×12354136635008² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12018191 + ... + 13005582.

It is an arithmetic number, because the mean of its divisors is an integer number (239289838875).

Almost surely, 2^{12354136635008} is an apocalyptic number.

It is an amenable number.

12354136635008 is an abundant number, since it is smaller than the sum of its proper divisors (18274962740992).

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

12354136635008 is a wasteful number, since it uses less digits than its factorization.

12354136635008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25023842 (or 25023830 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 12354136635008 in words is "twelve trillion, three hundred fifty-four billion, one hundred thirty-six million, six hundred thirty-five thousand, eight".