12122101400 has 48 divisors (see below), whose sum is σ = 28197023400. Its totient is φ = 4846580480.

The previous prime is 12122101373. The next prime is 12122101417. The reversal of 12122101400 is 410122121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454844 + ... + 480756.

Almost surely, 2^12122101400 is an apocalyptic number.

12122101400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122101400 is an abundant number, since it is smaller than the sum of its proper divisors (16074922000).

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

12122101400 is a wasteful number, since it uses less digits than its factorization.

12122101400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28268 (or 28259 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12122101400 its reverse (410122121), we get a palindrome (12532223521).

The spelling of 12122101400 in words is "twelve billion, one hundred twenty-two million, one hundred one thousand, four hundred".