212220110022196 has 48 divisors (see below), whose sum is σ = 383999865733120. Its totient is φ = 102517330030560.

The previous prime is 212220110022191. The next prime is 212220110022197. The reversal of 212220110022196 is 691220011022212.

It is a super-2 number, since 2×212220110022196² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220110022191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185856511 + ... + 186994873.

Almost surely, 2^{212220110022196} is an apocalyptic number.

It is an amenable number.

212220110022196 is a deficient number, since it is larger than the sum of its proper divisors (171779755710924).

212220110022196 is a wasteful number, since it uses less digits than its factorization.

212220110022196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140884 (or 1140882 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 212220110022196 in words is "two hundred twelve trillion, two hundred twenty billion, one hundred ten million, twenty-two thousand, one hundred ninety-six".