212220212010979 has 2 divisors, whose sum is σ = 212220212010980. Its totient is φ = 212220212010978.

The previous prime is 212220212010973. The next prime is 212220212011021. The reversal of 212220212010979 is 979010212022212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212220212010979 - 2²¹ = 212220209913827 is a prime.

It is not a weakly prime, because it can be changed into another prime (212220212010973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106110106005489 + 106110106005490.

It is an arithmetic number, because the mean of its divisors is an integer number (106110106005490).

Almost surely, 2^{212220212010979} is an apocalyptic number.

212220212010979 is a deficient number, since it is larger than the sum of its proper divisors (1).

212220212010979 is an equidigital number, since it uses as much as digits as its factorization.

212220212010979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 212220212010979 in words is "two hundred twelve trillion, two hundred twenty billion, two hundred twelve million, ten thousand, nine hundred seventy-nine".