679912020212022 has 96 divisors (see below), whose sum is σ = 1601901284256000. Its totient is φ = 207167762033856.

The previous prime is 679912020211997. The next prime is 679912020212023. The reversal of 679912020212022 is 220212020219976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679912020212023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1110772129 + ... + 1111384067.

It is an arithmetic number, because the mean of its divisors is an integer number (16686471711000).

Almost surely, 2^{679912020212022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679912020212022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800950642128000).

679912020212022 is an abundant number, since it is smaller than the sum of its proper divisors (921989264043978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

679912020212022 is a wasteful number, since it uses less digits than its factorization.

679912020212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658162 (or 658159 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 679912020212022 in words is "six hundred seventy-nine trillion, nine hundred twelve billion, twenty million, two hundred twelve thousand, twenty-two".