1231102123232 has 12 divisors (see below), whose sum is σ = 2423732305176. Its totient is φ = 615551061600.

The previous prime is 1231102123219. The next prime is 1231102123249. The reversal of 1231102123232 is 2323212011321.

It is a super-2 number, since 2×1231102123232² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1231102123198 and 1231102123207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19235970644 + ... + 19235970707.

It is an arithmetic number, because the mean of its divisors is an integer number (201977692098).

Almost surely, 2^{1231102123232} is an apocalyptic number.

It is an amenable number.

1231102123232 is a deficient number, since it is larger than the sum of its proper divisors (1192630181944).

1231102123232 is an equidigital number, since it uses as much as digits as its factorization.

1231102123232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38471941361 (or 38471941353 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1231102123232 its reverse (2323212011321), we get a palindrome (3554314134553).

The spelling of 1231102123232 in words is "one trillion, two hundred thirty-one billion, one hundred two million, one hundred twenty-three thousand, two hundred thirty-two".