12477125000021 has 8 divisors (see below), whose sum is σ = 14412080214144. Its totient is φ = 10675614973120.

The previous prime is 12477124999967. The next prime is 12477125000083. The reversal of 12477125000021 is 12000052177421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12477125000021 is a prime.

It is a super-2 number, since 2×12477125000021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12477125000321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33361296605 + ... + 33361296978.

It is an arithmetic number, because the mean of its divisors is an integer number (1801510026768).

Almost surely, 2^{12477125000021} is an apocalyptic number.

12477125000021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12477125000021 is a deficient number, since it is larger than the sum of its proper divisors (1934955214123).

12477125000021 is a wasteful number, since it uses less digits than its factorization.

12477125000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66722593611.

The product of its (nonzero) digits is 7840, while the sum is 32.

Adding to 12477125000021 its reverse (12000052177421), we get a palindrome (24477177177442).

The spelling of 12477125000021 in words is "twelve trillion, four hundred seventy-seven billion, one hundred twenty-five million, twenty-one", and thus it is an aban number.