12123133030200 has 48 divisors (see below), whose sum is σ = 37581712395480. Its totient is φ = 3232835474560.

The previous prime is 12123133030139. The next prime is 12123133030241. The reversal of 12123133030200 is 203033132121.

It is a super-2 number, since 2×12123133030200² (a number of 27 digits) contains 22 as substring.

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, 10102610259 + ... + 10102611458.

Almost surely, 2^{12123133030200} is an apocalyptic number.

12123133030200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12123133030200 is an abundant number, since it is smaller than the sum of its proper divisors (25458579365280).

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

12123133030200 is a wasteful number, since it uses less digits than its factorization.

12123133030200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20205221736 (or 20205221727 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12123133030200 its reverse (203033132121), we get a palindrome (12326166162321).

The spelling of 12123133030200 in words is "twelve trillion, one hundred twenty-three billion, one hundred thirty-three million, thirty thousand, two hundred".