121232002230100 has 54 divisors (see below), whose sum is σ = 275008724120270. Its totient is φ = 46384418224320.

The previous prime is 121232002229951. The next prime is 121232002230107. The reversal of 121232002230100 is 1032200232121.

It can be written as a sum of positive squares in 3 ways, for example, as 3081450224836 + 118150552005264 = 1755406^2 + 10869708^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121232002230107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1145807235 + ... + 1145913034.

Almost surely, 2^{121232002230100} is an apocalyptic number.

121232002230100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121232002230100 is an abundant number, since it is smaller than the sum of its proper divisors (153776721890170).

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

121232002230100 is a wasteful number, since it uses less digits than its factorization.

121232002230100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291720329 (or 2291720299 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121232002230100 its reverse (1032200232121), we get a palindrome (122264202462221).

The spelling of 121232002230100 in words is "one hundred twenty-one trillion, two hundred thirty-two billion, two million, two hundred thirty thousand, one hundred".