12231555544052 has 36 divisors (see below), whose sum is σ = 23185079832096. Its totient is φ = 5643715128480.

The previous prime is 12231555543989. The next prime is 12231555544099. The reversal of 12231555544052 is 25044555513221.

It is a super-2 number, since 2×12231555544052² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12231555543994 and 12231555544012.

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, 231608 + ... + 4951439.

It is an arithmetic number, because the mean of its divisors is an integer number (644029995336).

Almost surely, 2^{12231555544052} is an apocalyptic number.

It is an amenable number.

12231555544052 is a deficient number, since it is larger than the sum of its proper divisors (10953524288044).

12231555544052 is a wasteful number, since it uses less digits than its factorization.

12231555544052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5186568 (or 5186553 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 44.

The spelling of 12231555544052 in words is "twelve trillion, two hundred thirty-one billion, five hundred fifty-five million, five hundred forty-four thousand, fifty-two".