121200423112410 has 64 divisors (see below), whose sum is σ = 291074110163712. Its totient is φ = 32298659559936.

The previous prime is 121200423112337. The next prime is 121200423112411. The reversal of 121200423112410 is 14211324002121.

It is a super-2 number, since 2×121200423112410² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121200423112411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1817146182 + ... + 1817212878.

It is an arithmetic number, because the mean of its divisors is an integer number (4548032971308).

Almost surely, 2^{121200423112410} is an apocalyptic number.

121200423112410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121200423112410 is an abundant number, since it is smaller than the sum of its proper divisors (169873687051302).

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

121200423112410 is a wasteful number, since it uses less digits than its factorization.

121200423112410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106007.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 121200423112410 its reverse (14211324002121), we get a palindrome (135411747114531).

The spelling of 121200423112410 in words is "one hundred twenty-one trillion, two hundred billion, four hundred twenty-three million, one hundred twelve thousand, four hundred ten".