122211212020 has 48 divisors (see below), whose sum is σ = 261419114880. Its totient is φ = 47983238784.

The previous prime is 122211211999. The next prime is 122211212021. The reversal of 122211212020 is 20212112221.

It is a happy number.

122211212020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 122211211985 and 122211212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122211212021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28704 + ... + 495223.

It is an arithmetic number, because the mean of its divisors is an integer number (5446231560).

Almost surely, 2^122211212020 is an apocalyptic number.

122211212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122211212020 is an abundant number, since it is smaller than the sum of its proper divisors (139207902860).

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

122211212020 is a wasteful number, since it uses less digits than its factorization.

122211212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524152 (or 524150 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122211212020 its reverse (20212112221), we get a palindrome (142423324241).

The spelling of 122211212020 in words is "one hundred twenty-two billion, two hundred eleven million, two hundred twelve thousand, twenty".