1012237196977 has 4 divisors (see below), whose sum is σ = 1012347821056. Its totient is φ = 1012126572900.

The previous prime is 1012237196963. The next prime is 1012237197019. The reversal of 1012237196977 is 7796917322101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1012237196977 - 2¹⁵ = 1012237164209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012237194977) 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, 55298313 + ... + 55316614.

It is an arithmetic number, because the mean of its divisors is an integer number (253086955264).

Almost surely, 2^{1012237196977} is an apocalyptic number.

It is an amenable number.

1012237196977 is a deficient number, since it is larger than the sum of its proper divisors (110624079).

1012237196977 is an equidigital number, since it uses as much as digits as its factorization.

1012237196977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110624078.

The product of its (nonzero) digits is 2000376, while the sum is 55.

The spelling of 1012237196977 in words is "one trillion, twelve billion, two hundred thirty-seven million, one hundred ninety-six thousand, nine hundred seventy-seven".