122122210212012 has 48 divisors (see below), whose sum is σ = 301716151454592. Its totient is φ = 38312538435840.

The previous prime is 122122210211951. The next prime is 122122210212017. The reversal of 122122210212012 is 210212012221221.

It is a self number, because there is not a number n which added to its sum of digits gives 122122210212012.

It is not an unprimeable number, because it can be changed into a prime (122122210212017) 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, 23357643 + ... + 28103805.

It is an arithmetic number, because the mean of its divisors is an integer number (6285753155304).

Almost surely, 2^{122122210212012} is an apocalyptic number.

122122210212012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122122210212012 is an abundant number, since it is smaller than the sum of its proper divisors (179593941242580).

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

122122210212012 is a wasteful number, since it uses less digits than its factorization.

122122210212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872318 (or 4872316 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122122210212012 its reverse (210212012221221), we get a palindrome (332334222433233).

The spelling of 122122210212012 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, two hundred ten million, two hundred twelve thousand, twelve".