1331400233412 has 96 divisors (see below), whose sum is σ = 3462579120000. Its totient is φ = 442412710272.

The previous prime is 1331400233411. The next prime is 1331400233417. The reversal of 1331400233412 is 2143320041331.

It is a happy number.

1331400233412 is a `hidden beast` number, since 1 + 3 + 3 + 14 + 0 + 0 + 233 + 412 = 666.

It is a super-3 number, since 3×1331400233412³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1331400233411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85234539 + ... + 85250157.

It is an arithmetic number, because the mean of its divisors is an integer number (36068532500).

Almost surely, 2^{1331400233412} is an apocalyptic number.

1331400233412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1331400233412 is an abundant number, since it is smaller than the sum of its proper divisors (2131178886588).

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

1331400233412 is a wasteful number, since it uses less digits than its factorization.

1331400233412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18050 (or 18042 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1331400233412 its reverse (2143320041331), we get a palindrome (3474720274743).

The spelling of 1331400233412 in words is "one trillion, three hundred thirty-one billion, four hundred million, two hundred thirty-three thousand, four hundred twelve".