1021212010979 has 2 divisors, whose sum is σ = 1021212010980. Its totient is φ = 1021212010978.

The previous prime is 1021212010967. The next prime is 1021212011059. The reversal of 1021212010979 is 9790102121201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021212010979 - 2¹² = 1021212006883 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021212012979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510606005489 + 510606005490.

It is an arithmetic number, because the mean of its divisors is an integer number (510606005490).

Almost surely, 2^{1021212010979} is an apocalyptic number.

1021212010979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021212010979 is an equidigital number, since it uses as much as digits as its factorization.

1021212010979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 1021212010979 in words is "one trillion, twenty-one billion, two hundred twelve million, ten thousand, nine hundred seventy-nine".