1012212312973 has 2 divisors, whose sum is σ = 1012212312974. Its totient is φ = 1012212312972.

The previous prime is 1012212312961. The next prime is 1012212313043. The reversal of 1012212312973 is 3792132122101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 662200455049 + 350011857924 = 813757^2 + 591618^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012212312973 - 2²⁹ = 1011675442061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012212312953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506106156486 + 506106156487.

It is an arithmetic number, because the mean of its divisors is an integer number (506106156487).

Almost surely, 2^{1012212312973} is an apocalyptic number.

It is an amenable number.

1012212312973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012212312973 is an equidigital number, since it uses as much as digits as its factorization.

1012212312973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 1012212312973 in words is "one trillion, twelve billion, two hundred twelve million, three hundred twelve thousand, nine hundred seventy-three".