12351837522 has 32 divisors (see below), whose sum is σ = 25787704320. Its totient is φ = 3936746000.

The previous prime is 12351837517. The next prime is 12351837583. The reversal of 12351837522 is 22573815321.

It is a super-4 number, since 4×12351837522⁴ (a number of 41 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373147 + ... + 404897.

It is an arithmetic number, because the mean of its divisors is an integer number (805865760).

Almost surely, 2^12351837522 is an apocalyptic number.

12351837522 is an abundant number, since it is smaller than the sum of its proper divisors (13435866798).

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

12351837522 is a wasteful number, since it uses less digits than its factorization.

12351837522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34598.

The product of its digits is 100800, while the sum is 39.

The spelling of 12351837522 in words is "twelve billion, three hundred fifty-one million, eight hundred thirty-seven thousand, five hundred twenty-two".