1012696942451 has 4 divisors (see below), whose sum is σ = 1012732645512. Its totient is φ = 1012661239392.

The previous prime is 1012696942403. The next prime is 1012696942457. The reversal of 1012696942451 is 1542496962101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1012696942451 - 2³⁸ = 737819035507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012696942451.

It is not an unprimeable number, because it can be changed into a prime (1012696942457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17808950 + ... + 17865723.

It is an arithmetic number, because the mean of its divisors is an integer number (253183161378).

Almost surely, 2^{1012696942451} is an apocalyptic number.

1012696942451 is a deficient number, since it is larger than the sum of its proper divisors (35703061).

1012696942451 is an equidigital number, since it uses as much as digits as its factorization.

1012696942451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35703060.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 1012696942451 in words is "one trillion, twelve billion, six hundred ninety-six million, nine hundred forty-two thousand, four hundred fifty-one".