11900143212 has 48 divisors (see below), whose sum is σ = 28317673440. Its totient is φ = 3888188928.

The previous prime is 11900143193. The next prime is 11900143223. The reversal of 11900143212 is 21234100911.

11900143212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11900143212² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 709758 + ... + 726330.

It is an arithmetic number, because the mean of its divisors is an integer number (589951530).

Almost surely, 2^11900143212 is an apocalyptic number.

11900143212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11900143212 is an abundant number, since it is smaller than the sum of its proper divisors (16417530228).

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

11900143212 is a wasteful number, since it uses less digits than its factorization.

11900143212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17762 (or 17760 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 11900143212 in words is "eleven billion, nine hundred million, one hundred forty-three thousand, two hundred twelve".