12212000002000 has 40 divisors (see below), whose sum is σ = 29528616009672. Its totient is φ = 4884800000000.

The previous prime is 12212000001977. The next prime is 12212000002039. The reversal of 12212000002000 is 20000021221.

It can be written as a sum of positive squares in 4 ways, for example, as 306353394064 + 11905646607936 = 553492^2 + 3450456^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3052998001 + ... + 3053002000.

Almost surely, 2^{12212000002000} is an apocalyptic number.

12212000002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212000002000 is an abundant number, since it is smaller than the sum of its proper divisors (17316616007672).

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

12212000002000 is an equidigital number, since it uses as much as digits as its factorization.

12212000002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106000024 (or 6106000008 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12212000002000 its reverse (20000021221), we get a palindrome (12232000023221).

The spelling of 12212000002000 in words is "twelve trillion, two hundred twelve billion, two thousand".