12012352420616 has 8 divisors (see below), whose sum is σ = 22523160788670. Its totient is φ = 6006176210304.

The previous prime is 12012352420493. The next prime is 12012352420727. The reversal of 12012352420616 is 61602425321021.

It can be written as a sum of positive squares in only one way, i.e., 10187880887716 + 1824471532900 = 3191846^2 + 1350730^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12012352420616² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750772026281 + ... + 750772026296.

Almost surely, 2^{12012352420616} is an apocalyptic number.

It is an amenable number.

12012352420616 is a deficient number, since it is larger than the sum of its proper divisors (10510808368054).

12012352420616 is a wasteful number, since it uses less digits than its factorization.

12012352420616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501544052583 (or 1501544052579 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 12012352420616 its reverse (61602425321021), we get a palindrome (73614777741637).

The spelling of 12012352420616 in words is "twelve trillion, twelve billion, three hundred fifty-two million, four hundred twenty thousand, six hundred sixteen".