121210212202000 has 80 divisors (see below), whose sum is σ = 294475328694144. Its totient is φ = 48254302320000.

The previous prime is 121210212201997. The next prime is 121210212202033. The reversal of 121210212202000 is 202212012121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143191996 + ... + 144035995.

Almost surely, 2^{121210212202000} is an apocalyptic number.

121210212202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121210212202000 is an abundant number, since it is smaller than the sum of its proper divisors (173265116492144).

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

121210212202000 is a wasteful number, since it uses less digits than its factorization.

121210212202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287228225 (or 287228209 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121210212202000 its reverse (202212012121), we get a palindrome (121412424214121).

The spelling of 121210212202000 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred twelve million, two hundred two thousand".