121002221011212 has 48 divisors (see below), whose sum is σ = 313712363875680. Its totient is φ = 40333700556864.

The previous prime is 121002221011201. The next prime is 121002221011219. The reversal of 121002221011212 is 212110122200121.

121002221011212 is a `hidden beast` number, since 1 + 210 + 0 + 22 + 210 + 11 + 212 = 666.

121002221011212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (121002221011219) 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, 6671818 + ... + 16926830.

It is an arithmetic number, because the mean of its divisors is an integer number (6535674247410).

Almost surely, 2^{121002221011212} is an apocalyptic number.

121002221011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121002221011212 is an abundant number, since it is smaller than the sum of its proper divisors (192710142864468).

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

121002221011212 is a wasteful number, since it uses less digits than its factorization.

121002221011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10364279 (or 10364271 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121002221011212 its reverse (212110122200121), we get a palindrome (333112343211333).

The spelling of 121002221011212 in words is "one hundred twenty-one trillion, two billion, two hundred twenty-one million, eleven thousand, two hundred twelve".