12047052126 has 64 divisors (see below), whose sum is σ = 24925824000. Its totient is φ = 3879570816.

The previous prime is 12047052097. The next prime is 12047052137. The reversal of 12047052126 is 62125074021.

It is a super-2 number, since 2×12047052126² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12047052093 and 12047052102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10727001 + ... + 10728123.

It is an arithmetic number, because the mean of its divisors is an integer number (389466000).

Almost surely, 2^12047052126 is an apocalyptic number.

12047052126 is an abundant number, since it is smaller than the sum of its proper divisors (12878771874).

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

12047052126 is a wasteful number, since it uses less digits than its factorization.

12047052126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633.

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 12047052126 in words is "twelve billion, forty-seven million, fifty-two thousand, one hundred twenty-six".