12798101900 has 18 divisors (see below), whose sum is σ = 27771881340. Its totient is φ = 5119240720.

The previous prime is 12798101887. The next prime is 12798101963. The reversal of 12798101900 is 910189721.

It is a super-2 number, since 2×12798101900² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63990410 + ... + 63990609.

Almost surely, 2^12798101900 is an apocalyptic number.

12798101900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12798101900 is an abundant number, since it is smaller than the sum of its proper divisors (14973779440).

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

12798101900 is a wasteful number, since it uses less digits than its factorization.

12798101900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127981033 (or 127981026 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 38.

The spelling of 12798101900 in words is "twelve billion, seven hundred ninety-eight million, one hundred one thousand, nine hundred".