121202200020000 has 960 divisors, whose sum is σ = 450926157040128. Its totient is φ = 28237440000000.

The previous prime is 121202200019987. The next prime is 121202200020037. The reversal of 121202200020000 is 20002202121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1812986575 + ... + 1813053425.

Almost surely, 2^{121202200020000} is an apocalyptic number.

121202200020000 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 121202200020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225463078520064).

121202200020000 is an abundant number, since it is smaller than the sum of its proper divisors (329723957020128).

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

121202200020000 is a wasteful number, since it uses less digits than its factorization.

121202200020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67003 (or 66980 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 121202200020000 its reverse (20002202121), we get a palindrome (121222202222121).

The spelling of 121202200020000 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred million, twenty thousand".