2012331310400 has 42 divisors (see below), whose sum is σ = 4951592734590. Its totient is φ = 804932523520.

The previous prime is 2012331310397. The next prime is 2012331310411. The reversal of 2012331310400 is 40131332102.

It can be written as a sum of positive squares in 3 ways, for example, as 647097971776 + 1365233338624 = 804424^2 + 1168432^2 .

It is a super-2 number, since 2×2012331310400² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628851935 + ... + 628855134.

Almost surely, 2^{2012331310400} is an apocalyptic number.

2012331310400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012331310400 is an abundant number, since it is smaller than the sum of its proper divisors (2939261424190).

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

2012331310400 is a wasteful number, since it uses less digits than its factorization.

2012331310400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257707091 (or 1257707076 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2012331310400 its reverse (40131332102), we get a palindrome (2052462642502).

The spelling of 2012331310400 in words is "two trillion, twelve billion, three hundred thirty-one million, three hundred ten thousand, four hundred".