121301220202000 has 80 divisors (see below), whose sum is σ = 293759686426752. Its totient is φ = 48445494537600.

The previous prime is 121301220201989. The next prime is 121301220202103. The reversal of 121301220202000 is 202022103121.

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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45576642 + ... + 48164641.

Almost surely, 2^{121301220202000} is an apocalyptic number.

121301220202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121301220202000 is an abundant number, since it is smaller than the sum of its proper divisors (172458466224752).

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

121301220202000 is an equidigital number, since it uses as much as digits as its factorization.

121301220202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93741953 (or 93741937 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 121301220202000 its reverse (202022103121), we get a palindrome (121503242305121).

The spelling of 121301220202000 in words is "one hundred twenty-one trillion, three hundred one billion, two hundred twenty million, two hundred two thousand".