122020020212 has 24 divisors (see below), whose sum is σ = 216766735752. Its totient is φ = 60092928000.

The previous prime is 122020020193. The next prime is 122020020223. The reversal of 122020020212 is 212020020221.

It can be written as a sum of positive squares in 4 ways, for example, as 47187135076 + 74832885136 = 217226^2 + 273556^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704489 + ... + 860432.

It is an arithmetic number, because the mean of its divisors is an integer number (9031947323).

Almost surely, 2^122020020212 is an apocalyptic number.

It is an amenable number.

122020020212 is a deficient number, since it is larger than the sum of its proper divisors (94746715540).

122020020212 is a wasteful number, since it uses less digits than its factorization.

122020020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565219 (or 1565217 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 122020020212 its reverse (212020020221), we get a palindrome (334040040433).

Subtracting 122020020212 from its reverse (212020020221), we obtain a palindrome (90000000009).

The spelling of 122020020212 in words is "one hundred twenty-two billion, twenty million, twenty thousand, two hundred twelve".