1012400132200 has 48 divisors (see below), whose sum is σ = 2354117189580. Its totient is φ = 404910696960.

The previous prime is 1012400132147. The next prime is 1012400132239. The reversal of 1012400132200 is 22310042101.

It can be written as a sum of positive squares in 6 ways, for example, as 541428129124 + 470972003076 = 735818^2 + 686274^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1359084 + ... + 1967716.

Almost surely, 2^{1012400132200} is an apocalyptic number.

1012400132200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012400132200 is an abundant number, since it is smaller than the sum of its proper divisors (1341717057380).

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

1012400132200 is a wasteful number, since it uses less digits than its factorization.

1012400132200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616966 (or 616957 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1012400132200 its reverse (22310042101), we get a palindrome (1034710174301).

Subtracting from 1012400132200 its reverse (22310042101), we obtain a palindrome (990090090099).

The spelling of 1012400132200 in words is "one trillion, twelve billion, four hundred million, one hundred thirty-two thousand, two hundred".