212202022160 has 20 divisors (see below), whose sum is σ = 493369701708. Its totient is φ = 84880808832.

The previous prime is 212202022159. The next prime is 212202022223. The reversal of 212202022160 is 61220202212.

It can be written as a sum of positive squares in 2 ways, for example, as 140979222784 + 71222799376 = 375472^2 + 266876^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1326262559 + ... + 1326262718.

Almost surely, 2^212202022160 is an apocalyptic number.

212202022160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212202022160 is an abundant number, since it is smaller than the sum of its proper divisors (281167679548).

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

212202022160 is a wasteful number, since it uses less digits than its factorization.

212202022160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652525290 (or 2652525284 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 212202022160 its reverse (61220202212), we get a palindrome (273422224372).

The spelling of 212202022160 in words is "two hundred twelve billion, two hundred two million, twenty-two thousand, one hundred sixty".