1232817007081 has 32 divisors (see below), whose sum is σ = 1403747905536. Its totient is φ = 1072527960000.

The previous prime is 1232817007069. The next prime is 1232817007087. The reversal of 1232817007081 is 1807007182321.

It is a cyclic number.

It is not a de Polignac number, because 1232817007081 - 2³³ = 1224227072489 is a prime.

It is a super-2 number, since 2×1232817007081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232817007087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28461066 + ... + 28504348.

It is an arithmetic number, because the mean of its divisors is an integer number (43867122048).

Almost surely, 2^{1232817007081} is an apocalyptic number.

1232817007081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1232817007081 is a deficient number, since it is larger than the sum of its proper divisors (170930898455).

1232817007081 is a wasteful number, since it uses less digits than its factorization.

1232817007081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44253.

The product of its (nonzero) digits is 37632, while the sum is 40.

The spelling of 1232817007081 in words is "one trillion, two hundred thirty-two billion, eight hundred seventeen million, seven thousand, eighty-one".