12001000120212 has 24 divisors (see below), whose sum is σ = 28002477010816. Its totient is φ = 4000312888128.

The previous prime is 12001000120141. The next prime is 12001000120259. The reversal of 12001000120212 is 21202100010021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18748 + ... + 4899219.

Almost surely, 2^{12001000120212} is an apocalyptic number.

12001000120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12001000120212 is an abundant number, since it is smaller than the sum of its proper divisors (16001476890604).

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

12001000120212 is a wasteful number, since it uses less digits than its factorization.

12001000120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5121327 (or 5121325 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12001000120212 its reverse (21202100010021), we get a palindrome (33203100130233).

The spelling of 12001000120212 in words is "twelve trillion, one billion, one hundred twenty thousand, two hundred twelve".