122021211212 has 24 divisors (see below), whose sum is σ = 218369051712. Its totient is φ = 59638550400.

The previous prime is 122021211199. The next prime is 122021211227. The reversal of 122021211212 is 212112120221.

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, 1004489 + ... + 1119392.

It is an arithmetic number, because the mean of its divisors is an integer number (9098710488).

Almost surely, 2^122021211212 is an apocalyptic number.

It is an amenable number.

122021211212 is a deficient number, since it is larger than the sum of its proper divisors (96347840500).

122021211212 is a wasteful number, since it uses less digits than its factorization.

122021211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124209 (or 2124207 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122021211212 its reverse (212112120221), we get a palindrome (334133331433).

Subtracting 122021211212 from its reverse (212112120221), we obtain a palindrome (90090909009).

The spelling of 122021211212 in words is "one hundred twenty-two billion, twenty-one million, two hundred eleven thousand, two hundred twelve".