121201012002 has 32 divisors (see below), whose sum is σ = 277127119872. Its totient is φ = 34616831184.

The previous prime is 121201011949. The next prime is 121201012003. The reversal of 121201012002 is 200210102121.

It is not an unprimeable number, because it can be changed into a prime (121201012003) 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, 378528 + ... + 621035.

It is an arithmetic number, because the mean of its divisors is an integer number (8660222496).

Almost surely, 2^121201012002 is an apocalyptic number.

121201012002 is an abundant number, since it is smaller than the sum of its proper divisors (155926107870).

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

121201012002 is a wasteful number, since it uses less digits than its factorization.

121201012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002462.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121201012002 its reverse (200210102121), we get a palindrome (321411114123).

The spelling of 121201012002 in words is "one hundred twenty-one billion, two hundred one million, twelve thousand, two".