212322120979 has 2 divisors, whose sum is σ = 212322120980. Its totient is φ = 212322120978.

The previous prime is 212322120971. The next prime is 212322121007. The reversal of 212322120979 is 979021223212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212322120979 - 2³ = 212322120971 is a prime.

It is a super-2 number, since 2×212322120979² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212322120971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106161060489 + 106161060490.

It is an arithmetic number, because the mean of its divisors is an integer number (106161060490).

Almost surely, 2^212322120979 is an apocalyptic number.

212322120979 is a deficient number, since it is larger than the sum of its proper divisors (1).

212322120979 is an equidigital number, since it uses as much as digits as its factorization.

212322120979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 212322120979 in words is "two hundred twelve billion, three hundred twenty-two million, one hundred twenty thousand, nine hundred seventy-nine".