1323012013272 has 32 divisors (see below), whose sum is σ = 3675033370800. Its totient is φ = 441004004352.

The previous prime is 1323012013261. The next prime is 1323012013273. The reversal of 1323012013272 is 2723102103231.

1323012013272 is a `hidden beast` number, since 1 + 32 + 301 + 2 + 0 + 1 + 327 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323012013273) 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, 3062527593 + ... + 3062528024.

Almost surely, 2^{1323012013272} is an apocalyptic number.

1323012013272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1323012013272 is an abundant number, since it is smaller than the sum of its proper divisors (2352021357528).

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

1323012013272 is a wasteful number, since it uses less digits than its factorization.

1323012013272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6125055632 (or 6125055622 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The spelling of 1323012013272 in words is "one trillion, three hundred twenty-three billion, twelve million, thirteen thousand, two hundred seventy-two".