12150315025542 has 24 divisors (see below), whose sum is σ = 26757251124240. Its totient is φ = 3983709844080.

The previous prime is 12150315025529. The next prime is 12150315025601. The reversal of 12150315025542 is 24552051305121.

12150315025542 is a `hidden beast` number, since 1 + 2 + 1 + 50 + 3 + 1 + 50 + 2 + 554 + 2 = 666.

It is a super-2 number, since 2×12150315025542² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12150315025497 and 12150315025506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5532929242 + ... + 5532931437.

It is an arithmetic number, because the mean of its divisors is an integer number (1114885463510).

Almost surely, 2^{12150315025542} is an apocalyptic number.

12150315025542 is an abundant number, since it is smaller than the sum of its proper divisors (14606936098698).

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

12150315025542 is a wasteful number, since it uses less digits than its factorization.

12150315025542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11065860748 (or 11065860745 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 12150315025542 in words is "twelve trillion, one hundred fifty billion, three hundred fifteen million, twenty-five thousand, five hundred forty-two".