1213130123232 has 24 divisors (see below), whose sum is σ = 3184466573736. Its totient is φ = 404376707712.

The previous prime is 1213130123197. The next prime is 1213130123263. The reversal of 1213130123232 is 2323210313121.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1213130123232² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6318385963 + ... + 6318386154.

It is an arithmetic number, because the mean of its divisors is an integer number (132686107239).

Almost surely, 2^{1213130123232} is an apocalyptic number.

1213130123232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1213130123232 is an abundant number, since it is smaller than the sum of its proper divisors (1971336450504).

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

1213130123232 is a wasteful number, since it uses less digits than its factorization.

1213130123232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12636772130 (or 12636772122 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1213130123232 its reverse (2323210313121), we get a palindrome (3536340436353).

The spelling of 1213130123232 in words is "one trillion, two hundred thirteen billion, one hundred thirty million, one hundred twenty-three thousand, two hundred thirty-two".