1200023130132 has 60 divisors (see below), whose sum is σ = 3137201223156. Its totient is φ = 399994485120.

The previous prime is 1200023130067. The next prime is 1200023130161. The reversal of 1200023130132 is 2310313200021.

It can be written as a sum of positive squares in 2 ways, for example, as 834087664656 + 365935465476 = 913284^2 + 604926^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17630838 + ... + 17698770.

Almost surely, 2^{1200023130132} is an apocalyptic number.

1200023130132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1200023130132 is an abundant number, since it is smaller than the sum of its proper divisors (1937178093024).

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

1200023130132 is a wasteful number, since it uses less digits than its factorization.

1200023130132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122470 (or 122459 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1200023130132 its reverse (2310313200021), we get a palindrome (3510336330153).

The spelling of 1200023130132 in words is "one trillion, two hundred billion, twenty-three million, one hundred thirty thousand, one hundred thirty-two".