121843712404 has 12 divisors (see below), whose sum is σ = 214141633524. Its totient is φ = 60660388544.

The previous prime is 121843712387. The next prime is 121843712429. The reversal of 121843712404 is 404217348121.

It can be written as a sum of positive squares in 2 ways, for example, as 85153076100 + 36690636304 = 291810^2 + 191548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65365867 + ... + 65367730.

It is an arithmetic number, because the mean of its divisors is an integer number (17845136127).

Almost surely, 2^121843712404 is an apocalyptic number.

It is an amenable number.

121843712404 is a deficient number, since it is larger than the sum of its proper divisors (92297921120).

121843712404 is a wasteful number, since it uses less digits than its factorization.

121843712404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130733834 (or 130733832 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 121843712404 in words is "one hundred twenty-one billion, eight hundred forty-three million, seven hundred twelve thousand, four hundred four".