1012404215412 has 144 divisors (see below), whose sum is σ = 2595865272000. Its totient is φ = 332661385728.

The previous prime is 1012404215399. The next prime is 1012404215477. The reversal of 1012404215412 is 2145124042101.

1012404215412 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 404 + 215 + 41 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 980061648 + ... + 980062680.

Almost surely, 2^{1012404215412} is an apocalyptic number.

1012404215412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012404215412 is an abundant number, since it is smaller than the sum of its proper divisors (1583461056588).

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

1012404215412 is a wasteful number, since it uses less digits than its factorization.

1012404215412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190 (or 2185 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 1012404215412 its reverse (2145124042101), we get a palindrome (3157528257513).

The spelling of 1012404215412 in words is "one trillion, twelve billion, four hundred four million, two hundred fifteen thousand, four hundred twelve".