12106510857948 has 24 divisors (see below), whose sum is σ = 30421488822928. Its totient is φ = 3725080263936.

The previous prime is 12106510857907. The next prime is 12106510857949. The reversal of 12106510857948 is 84975801560121.

It is a happy number.

It is a super-2 number, since 2×12106510857948² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12106510857949) 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, 38802919261 + ... + 38802919572.

Almost surely, 2^{12106510857948} is an apocalyptic number.

It is an amenable number.

12106510857948 is an abundant number, since it is smaller than the sum of its proper divisors (18314977964980).

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

12106510857948 is a wasteful number, since it uses less digits than its factorization.

12106510857948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77605838853 (or 77605838851 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 57.

The spelling of 12106510857948 in words is "twelve trillion, one hundred six billion, five hundred ten million, eight hundred fifty-seven thousand, nine hundred forty-eight".