122210201020212 has 36 divisors (see below), whose sum is σ = 308924274911616. Its totient is φ = 40736200325520.

The previous prime is 122210201020157. The next prime is 122210201020213. The reversal of 122210201020212 is 212020102012221.

It is a happy number.

122210201020212 is a `hidden beast` number, since 1 + 22 + 210 + 201 + 0 + 20 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122210201020213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19430178 + ... + 24938969.

It is an arithmetic number, because the mean of its divisors is an integer number (8581229858656).

Almost surely, 2^{122210201020212} is an apocalyptic number.

122210201020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122210201020212 is an abundant number, since it is smaller than the sum of its proper divisors (186714073891404).

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

122210201020212 is a wasteful number, since it uses less digits than its factorization.

122210201020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44445668 (or 44445663 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122210201020212 its reverse (212020102012221), we get a palindrome (334230303032433).

The spelling of 122210201020212 in words is "one hundred twenty-two trillion, two hundred ten billion, two hundred one million, twenty thousand, two hundred twelve".