1213130123432 has 96 divisors (see below), whose sum is σ = 2430354362040. Its totient is φ = 567570432000.

The previous prime is 1213130123431. The next prime is 1213130123501. The reversal of 1213130123432 is 2343210313121.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 261401103076 + 951729020356 = 511274^2 + 975566^2 .

It is not an unprimeable number, because it can be changed into a prime (1213130123431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 424021682 + ... + 424024542.

Almost surely, 2^{1213130123432} is an apocalyptic number.

It is an amenable number.

1213130123432 is an abundant number, since it is smaller than the sum of its proper divisors (1217224238608).

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

1213130123432 is a wasteful number, since it uses less digits than its factorization.

1213130123432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903 (or 3882 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1213130123432 its reverse (2343210313121), we get a palindrome (3556340436553).

The spelling of 1213130123432 in words is "one trillion, two hundred thirteen billion, one hundred thirty million, one hundred twenty-three thousand, four hundred thirty-two".