104121120412 has 24 divisors (see below), whose sum is σ = 182499050160. Its totient is φ = 51978600960.

The previous prime is 104121120371. The next prime is 104121120419. The reversal of 104121120412 is 214021121401.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 104121120412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104121120419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7577164 + ... + 7590892.

It is an arithmetic number, because the mean of its divisors is an integer number (7604127090).

Almost surely, 2^104121120412 is an apocalyptic number.

It is an amenable number.

104121120412 is a deficient number, since it is larger than the sum of its proper divisors (78377929748).

104121120412 is a wasteful number, since it uses less digits than its factorization.

104121120412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16581 (or 16579 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 104121120412 its reverse (214021121401), we get a palindrome (318142241813).

The spelling of 104121120412 in words is "one hundred four billion, one hundred twenty-one million, one hundred twenty thousand, four hundred twelve".