12112021012020 has 48 divisors (see below), whose sum is σ = 34553539198080. Its totient is φ = 3168931282816.

The previous prime is 12112021012001. The next prime is 12112021012057. The reversal of 12112021012020 is 2021012021121.

It is a super-2 number, since 2×12112021012020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1904402640 + ... + 1904408999.

It is an arithmetic number, because the mean of its divisors is an integer number (719865399960).

Almost surely, 2^{12112021012020} is an apocalyptic number.

12112021012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112021012020 is an abundant number, since it is smaller than the sum of its proper divisors (22441518186060).

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

12112021012020 is a wasteful number, since it uses less digits than its factorization.

12112021012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808811704 (or 3808811702 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12112021012020 its reverse (2021012021121), we get a palindrome (14133033033141).

It can be divided in two parts, 1211202 and 1012020, that added together give a palindrome (2223222).

The spelling of 12112021012020 in words is "twelve trillion, one hundred twelve billion, twenty-one million, twelve thousand, twenty".