12133647520021 has 8 divisors (see below), whose sum is σ = 12260321500544. Its totient is φ = 12007144146960.

The previous prime is 12133647520019. The next prime is 12133647520079. The reversal of 12133647520021 is 12002574633121.

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

It is a cyclic number.

It is not a de Polignac number, because 12133647520021 - 2¹ = 12133647520019 is a prime.

It is a super-2 number, since 2×12133647520021² (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 (12133647520321) 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, 42508881 + ... + 42793366.

It is an arithmetic number, because the mean of its divisors is an integer number (1532540187568).

Almost surely, 2^{12133647520021} is an apocalyptic number.

It is an amenable number.

12133647520021 is a deficient number, since it is larger than the sum of its proper divisors (126673980523).

12133647520021 is a wasteful number, since it uses less digits than its factorization.

12133647520021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85303731.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 12133647520021 in words is "twelve trillion, one hundred thirty-three billion, six hundred forty-seven million, five hundred twenty thousand, twenty-one".