121002022212 has 24 divisors (see below), whose sum is σ = 283581838176. Its totient is φ = 40156323648.

The previous prime is 121002022171. The next prime is 121002022261. The reversal of 121002022212 is 212220200121.

It is a junction number, because it is equal to n+sod(n) for n = 121002022191 and 121002022200.

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, 22207633 + ... + 22213080.

It is an arithmetic number, because the mean of its divisors is an integer number (11815909924).

Almost surely, 2^121002022212 is an apocalyptic number.

121002022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121002022212 is an abundant number, since it is smaller than the sum of its proper divisors (162579815964).

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

121002022212 is a wasteful number, since it uses less digits than its factorization.

121002022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44420947 (or 44420945 counting only the distinct ones).

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

Adding to 121002022212 its reverse (212220200121), we get a palindrome (333222222333).

The spelling of 121002022212 in words is "one hundred twenty-one billion, two million, twenty-two thousand, two hundred twelve".