12102122012020 has 48 divisors (see below), whose sum is σ = 26142304785408. Its totient is φ = 4704123231360.

The previous prime is 12102122011963. The next prime is 12102122012021. The reversal of 12102122012020 is 2021022120121.

It is a happy number.

It is a super-2 number, since 2×12102122012020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12102122011985 and 12102122012003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102122012021) 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, 59656404 + ... + 59858923.

It is an arithmetic number, because the mean of its divisors is an integer number (544631349696).

Almost surely, 2^{12102122012020} is an apocalyptic number.

12102122012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102122012020 is an abundant number, since it is smaller than the sum of its proper divisors (14040182773388).

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

12102122012020 is a wasteful number, since it uses less digits than its factorization.

12102122012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119515480 (or 119515478 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12102122012020 its reverse (2021022120121), we get a palindrome (14123144132141).

The spelling of 12102122012020 in words is "twelve trillion, one hundred two billion, one hundred twenty-two million, twelve thousand, twenty".