121452200012 has 24 divisors (see below), whose sum is σ = 249698929872. Its totient is φ = 50958964800.

The previous prime is 121452199997. The next prime is 121452200027. The reversal of 121452200012 is 210002254121.

It is an interprime number because it is at equal distance from previous prime (121452199997) and next prime (121452200027).

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, 106163939 + ... + 106165082.

It is an arithmetic number, because the mean of its divisors is an integer number (10404122078).

Almost surely, 2^121452200012 is an apocalyptic number.

It is an amenable number.

121452200012 is an abundant number, since it is smaller than the sum of its proper divisors (128246729860).

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

121452200012 is a wasteful number, since it uses less digits than its factorization.

121452200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212329049 (or 212329047 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 121452200012 its reverse (210002254121), we get a palindrome (331454454133).

The spelling of 121452200012 in words is "one hundred twenty-one billion, four hundred fifty-two million, two hundred thousand, twelve".