1213120022971 has 2 divisors, whose sum is σ = 1213120022972. Its totient is φ = 1213120022970.

The previous prime is 1213120022957. The next prime is 1213120023007. The reversal of 1213120022971 is 1792200213121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213120022971 - 2⁹ = 1213120022459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213120020971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606560011485 + 606560011486.

It is an arithmetic number, because the mean of its divisors is an integer number (606560011486).

Almost surely, 2^{1213120022971} is an apocalyptic number.

1213120022971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213120022971 is an equidigital number, since it uses as much as digits as its factorization.

1213120022971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 1213120022971 in words is "one trillion, two hundred thirteen billion, one hundred twenty million, twenty-two thousand, nine hundred seventy-one".