212020201020122 has 48 divisors (see below), whose sum is σ = 351617698028520. Its totient is φ = 95808511518720.

The previous prime is 212020201020083. The next prime is 212020201020163. The reversal of 212020201020122 is 221020102020212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 189691920491161 + 22328280528961 = 13772869^2 + 4725281^2 .

It is a super-2 number, since 2×212020201020122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212020201020122.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 574593878 + ... + 574962750.

Almost surely, 2^{212020201020122} is an apocalyptic number.

212020201020122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212020201020122 is a deficient number, since it is larger than the sum of its proper divisors (139597497008398).

212020201020122 is a wasteful number, since it uses less digits than its factorization.

212020201020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382799 (or 382788 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212020201020122 its reverse (221020102020212), we get a palindrome (433040303040334).

The spelling of 212020201020122 in words is "two hundred twelve trillion, twenty billion, two hundred one million, twenty thousand, one hundred twenty-two".