212211648158692 has 192 divisors, whose sum is σ = 478386271319040. Its totient is φ = 80059199717376.

The previous prime is 212211648158683. The next prime is 212211648158773. The reversal of 212211648158692 is 296851846112212.

It is a super-2 number, since 2×212211648158692² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5267215284 + ... + 5267255572.

It is an arithmetic number, because the mean of its divisors is an integer number (2491595163120).

Almost surely, 2^{212211648158692} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212211648158692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239193135659520).

212211648158692 is an abundant number, since it is smaller than the sum of its proper divisors (266174623160348).

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

212211648158692 is a wasteful number, since it uses less digits than its factorization.

212211648158692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42222 (or 42220 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 58.

The spelling of 212211648158692 in words is "two hundred twelve trillion, two hundred eleven billion, six hundred forty-eight million, one hundred fifty-eight thousand, six hundred ninety-two".