12121110011000 has 64 divisors (see below), whose sum is σ = 28379150336160. Its totient is φ = 4845751200000.

The previous prime is 12121110010957. The next prime is 12121110011053. The reversal of 12121110011000 is 11001112121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1564106 + ... + 5166105.

Almost surely, 2^{12121110011000} is an apocalyptic number.

12121110011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12121110011000 is an abundant number, since it is smaller than the sum of its proper divisors (16258040325160).

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

12121110011000 is a wasteful number, since it uses less digits than its factorization.

12121110011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6732033 (or 6732019 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12121110011000 its reverse (11001112121), we get a palindrome (12132111123121).

The spelling of 12121110011000 in words is "twelve trillion, one hundred twenty-one billion, one hundred ten million, eleven thousand".