3121262059997 has 2 divisors, whose sum is σ = 3121262059998. Its totient is φ = 3121262059996.

The previous prime is 3121262059963. The next prime is 3121262060017. The reversal of 3121262059997 is 7999502621213.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2256382519876 + 864879540121 = 1502126^2 + 929989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3121262059997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3121262050997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560631029998 + 1560631029999.

It is an arithmetic number, because the mean of its divisors is an integer number (1560631029999).

Almost surely, 2^{3121262059997} is an apocalyptic number.

It is an amenable number.

3121262059997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121262059997 is an equidigital number, since it uses as much as digits as its factorization.

3121262059997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3674160, while the sum is 56.

The spelling of 3121262059997 in words is "three trillion, one hundred twenty-one billion, two hundred sixty-two million, fifty-nine thousand, nine hundred ninety-seven".