121314220002 has 24 divisors (see below), whose sum is σ = 266174663040. Its totient is φ = 39926198520.

The previous prime is 121314219997. The next prime is 121314220003. The reversal of 121314220002 is 200022413121.

It is a happy number.

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 (121314220003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42654774 + ... + 42657617.

It is an arithmetic number, because the mean of its divisors is an integer number (11090610960).

Almost surely, 2^121314220002 is an apocalyptic number.

121314220002 is an abundant number, since it is smaller than the sum of its proper divisors (144860443038).

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

121314220002 is a wasteful number, since it uses less digits than its factorization.

121314220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85312478 (or 85312475 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 121314220002 its reverse (200022413121), we get a palindrome (321336633123).

The spelling of 121314220002 in words is "one hundred twenty-one billion, three hundred fourteen million, two hundred twenty thousand, two".