12112021010012 has 48 divisors (see below), whose sum is σ = 26723151624960. Its totient is φ = 4665947088000.

The previous prime is 12112021009997. The next prime is 12112021010017. The reversal of 12112021010012 is 21001012021121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112021010017) 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, 220898114 + ... + 220952937.

It is an arithmetic number, because the mean of its divisors is an integer number (556732325520).

Almost surely, 2^{12112021010012} is an apocalyptic number.

It is an amenable number.

12112021010012 is an abundant number, since it is smaller than the sum of its proper divisors (14611130614948).

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

12112021010012 is a wasteful number, since it uses less digits than its factorization.

12112021010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441851162 (or 441851160 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12112021010012 its reverse (21001012021121), we get a palindrome (33113033031133).

The spelling of 12112021010012 in words is "twelve trillion, one hundred twelve billion, twenty-one million, ten thousand, twelve".