1232225738991 has 32 divisors (see below), whose sum is σ = 1976805871040. Its totient is φ = 754103260800.

The previous prime is 1232225738971. The next prime is 1232225738999. The reversal of 1232225738991 is 1998375222321.

1232225738991 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 2 + 257 + 389 + 9 + 1 = 666.

It is not a de Polignac number, because 1232225738991 - 2⁶ = 1232225738927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232225738999) 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, 9634300 + ... + 9761361.

It is an arithmetic number, because the mean of its divisors is an integer number (61775183470).

Almost surely, 2^{1232225738991} is an apocalyptic number.

1232225738991 is a deficient number, since it is larger than the sum of its proper divisors (744580132049).

1232225738991 is a wasteful number, since it uses less digits than its factorization.

1232225738991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19395864 (or 19395858 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

It can be divided in two parts, 1232225 and 738991, that added together give a square (1971216 = 1404²).

The spelling of 1232225738991 in words is "one trillion, two hundred thirty-two billion, two hundred twenty-five million, seven hundred thirty-eight thousand, nine hundred ninety-one".