1296960412420 has 48 divisors (see below), whose sum is σ = 2751541919280. Its totient is φ = 513475282944.

The previous prime is 1296960412399. The next prime is 1296960412463. The reversal of 1296960412420 is 242140696921.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 8935164676 + 1288025247744 = 94526^2 + 1134912^2 .

It is a super-2 number, since 2×1296960412420² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1725192 + ... + 2360128.

It is an arithmetic number, because the mean of its divisors is an integer number (57323789985).

Almost surely, 2^{1296960412420} is an apocalyptic number.

1296960412420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1296960412420 is an abundant number, since it is smaller than the sum of its proper divisors (1454581506860).

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

1296960412420 is a wasteful number, since it uses less digits than its factorization.

1296960412420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635992 (or 635990 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 1296960412420 in words is "one trillion, two hundred ninety-six billion, nine hundred sixty million, four hundred twelve thousand, four hundred twenty".