212303120022 has 24 divisors (see below), whose sum is σ = 525702964176. Its totient is φ = 60658034256.

The previous prime is 212303120011. The next prime is 212303120077. The reversal of 212303120022 is 220021303212.

It is a super-2 number, since 2×212303120022² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212303119977 and 212303120004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 842472573 + ... + 842472824.

It is an arithmetic number, because the mean of its divisors is an integer number (21904290174).

Almost surely, 2^212303120022 is an apocalyptic number.

212303120022 is an abundant number, since it is smaller than the sum of its proper divisors (313399844154).

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

212303120022 is a wasteful number, since it uses less digits than its factorization.

212303120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684945412 (or 1684945409 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212303120022 its reverse (220021303212), we get a palindrome (432324423234).

The spelling of 212303120022 in words is "two hundred twelve billion, three hundred three million, one hundred twenty thousand, twenty-two".