121201222002 has 32 divisors (see below), whose sum is σ = 277043991552. Its totient is φ = 34627342224.

The previous prime is 121201221983. The next prime is 121201222013. The reversal of 121201222002 is 200222102121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1116883 + ... + 1220585.

It is an arithmetic number, because the mean of its divisors is an integer number (8657624736).

Almost surely, 2^121201222002 is an apocalyptic number.

121201222002 is an abundant number, since it is smaller than the sum of its proper divisors (155842769550).

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

121201222002 is a wasteful number, since it uses less digits than its factorization.

121201222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131542.

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

Adding to 121201222002 its reverse (200222102121), we get a palindrome (321423324123).

The spelling of 121201222002 in words is "one hundred twenty-one billion, two hundred one million, two hundred twenty-two thousand, two".