121201123452330 has 32 divisors (see below), whose sum is σ = 290883274633728. Its totient is φ = 32320235326400.

The previous prime is 121201123452319. The next prime is 121201123452337. The reversal of 121201123452330 is 33254321102121.

It is a super-2 number, since 2×121201123452330² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (121201123452337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12427495 + ... + 19920965.

It is an arithmetic number, because the mean of its divisors is an integer number (9090102332304).

Almost surely, 2^{121201123452330} is an apocalyptic number.

121201123452330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121201123452330 is an abundant number, since it is smaller than the sum of its proper divisors (169682151181398).

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

121201123452330 is a wasteful number, since it uses less digits than its factorization.

121201123452330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8032622.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 121201123452330 its reverse (33254321102121), we get a palindrome (154455444554451).

The spelling of 121201123452330 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred twenty-three million, four hundred fifty-two thousand, three hundred thirty".