122100021212 has 96 divisors (see below), whose sum is σ = 236680518144. Its totient is φ = 54771552000.

The previous prime is 122100021209. The next prime is 122100021223. The reversal of 122100021212 is 212120001221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108726083 + ... + 108727205.

It is an arithmetic number, because the mean of its divisors is an integer number (2465422064).

Almost surely, 2^122100021212 is an apocalyptic number.

It is an amenable number.

122100021212 is a deficient number, since it is larger than the sum of its proper divisors (114580496932).

122100021212 is a wasteful number, since it uses less digits than its factorization.

122100021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579 (or 1577 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122100021212 its reverse (212120001221), we get a palindrome (334220022433).

The spelling of 122100021212 in words is "one hundred twenty-two billion, one hundred million, twenty-one thousand, two hundred twelve".