121000301320200 has 96 divisors (see below), whose sum is σ = 379849047331200. Its totient is φ = 31858307170560.

The previous prime is 121000301320181. The next prime is 121000301320207. The reversal of 121000301320200 is 2023103000121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121000301320200.

It is not an unprimeable number, because it can be changed into a prime (121000301320207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1276327087 + ... + 1276421886.

It is an arithmetic number, because the mean of its divisors is an integer number (3956760909700).

Almost surely, 2^{121000301320200} is an apocalyptic number.

121000301320200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121000301320200 is an abundant number, since it is smaller than the sum of its proper divisors (258848746011000).

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

121000301320200 is a wasteful number, since it uses less digits than its factorization.

121000301320200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552749071 (or 2552749062 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 121000301320200 its reverse (2023103000121), we get a palindrome (123023404320321).

The spelling of 121000301320200 in words is "one hundred twenty-one trillion, three hundred one million, three hundred twenty thousand, two hundred".