122121131310212 has 12 divisors (see below), whose sum is σ = 213714114008220. Its totient is φ = 61059955879296.

The previous prime is 122121131310209. The next prime is 122121131310221. The reversal of 122121131310212 is 212013131121221.

122121131310212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 27605713924996 + 94515417385216 = 5254114^2 + 9721904^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151993193 + ... + 152794544.

It is an arithmetic number, because the mean of its divisors is an integer number (17809509500685).

Almost surely, 2^{122121131310212} is an apocalyptic number.

It is an amenable number.

122121131310212 is a deficient number, since it is larger than the sum of its proper divisors (91592982698008).

122121131310212 is a wasteful number, since it uses less digits than its factorization.

122121131310212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304887910 (or 304887908 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 122121131310212 its reverse (212013131121221), we get a palindrome (334134262431433).

The spelling of 122121131310212 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, one hundred thirty-one million, three hundred ten thousand, two hundred twelve".