12002020212 has 72 divisors (see below), whose sum is σ = 35082850656. Its totient is φ = 3165365952.

The previous prime is 12002020201. The next prime is 12002020223. The reversal of 12002020212 is 21202020021.

It is an interprime number because it is at equal distance from previous prime (12002020201) and next prime (12002020223).

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 23 ways as a sum of consecutive naturals, for example, 777418 + ... + 792705.

Almost surely, 2^12002020212 is an apocalyptic number.

12002020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12002020212 is an abundant number, since it is smaller than the sum of its proper divisors (23080830444).

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

12002020212 is a wasteful number, since it uses less digits than its factorization.

12002020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570157 (or 1570148 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12002020212 its reverse (21202020021), we get a palindrome (33204040233).

The spelling of 12002020212 in words is "twelve billion, two million, twenty thousand, two hundred twelve".