1012340252051 has 4 divisors (see below), whose sum is σ = 1013168004912. Its totient is φ = 1011512499192.

The previous prime is 1012340252023. The next prime is 1012340252071. The reversal of 1012340252051 is 1502520432101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012340252051 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 1012340252051.

It is not an unprimeable number, because it can be changed into a prime (1012340252071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413874596 + ... + 413877041.

It is an arithmetic number, because the mean of its divisors is an integer number (253292001228).

Almost surely, 2^{1012340252051} is an apocalyptic number.

1012340252051 is a deficient number, since it is larger than the sum of its proper divisors (827752861).

1012340252051 is an equidigital number, since it uses as much as digits as its factorization.

1012340252051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827752860.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 1012340252051 its reverse (1502520432101), we get a palindrome (2514860684152).

The spelling of 1012340252051 in words is "one trillion, twelve billion, three hundred forty million, two hundred fifty-two thousand, fifty-one".