121202122000000 has 224 divisors, whose sum is σ = 308837065584960. Its totient is φ = 47353353600000.

The previous prime is 121202121999997. The next prime is 121202122000019. The reversal of 121202122000000 is 221202121.

It is a happy number.

121202122000000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 85295337 + ... + 86704663.

Almost surely, 2^{121202122000000} is an apocalyptic number.

121202122000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121202122000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154418532792480).

121202122000000 is an abundant number, since it is smaller than the sum of its proper divisors (187634943584960).

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

121202122000000 is an frugal number, since it uses more digits than its factorization.

121202122000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409414 (or 1409377 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121202122000000 its reverse (221202121), we get a palindrome (121202343202121).

The spelling of 121202122000000 in words is "one hundred twenty-one trillion, two hundred two billion, one hundred twenty-two million", and thus it is an aban number.