12020010012 has 48 divisors (see below), whose sum is σ = 31189019680. Its totient is φ = 4003323264.

The previous prime is 12020010007. The next prime is 12020010017. The reversal of 12020010012 is 21001002021.

It is an interprime number because it is at equal distance from previous prime (12020010007) and next prime (12020010017).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12020009976 and 12020010003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020010017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85128 + ... + 176880.

Almost surely, 2^12020010012 is an apocalyptic number.

12020010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12020010012 is an abundant number, since it is smaller than the sum of its proper divisors (19169009668).

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

12020010012 is a wasteful number, since it uses less digits than its factorization.

12020010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92979 (or 92971 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12020010012 its reverse (21001002021), we get a palindrome (33021012033).

The spelling of 12020010012 in words is "twelve billion, twenty million, ten thousand, twelve".