122002012212 has 12 divisors (see below), whose sum is σ = 284671361856. Its totient is φ = 40667337400.

The previous prime is 122002012189. The next prime is 122002012219. The reversal of 122002012212 is 212210200221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 122002012191 and 122002012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122002012219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5083417164 + ... + 5083417187.

It is an arithmetic number, because the mean of its divisors is an integer number (23722613488).

Almost surely, 2^122002012212 is an apocalyptic number.

122002012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122002012212 is an abundant number, since it is smaller than the sum of its proper divisors (162669349644).

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

122002012212 is a wasteful number, since it uses less digits than its factorization.

122002012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10166834358 (or 10166834356 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122002012212 its reverse (212210200221), we get a palindrome (334212212433).

The spelling of 122002012212 in words is "one hundred twenty-two billion, two million, twelve thousand, two hundred twelve".