12000000202120 has 32 divisors (see below), whose sum is σ = 30857143377600. Its totient is φ = 4114285783488.

The previous prime is 12000000202097. The next prime is 12000000202123. The reversal of 12000000202120 is 2120200000021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 12000000202097 and 12000000202106.

It is not an unprimeable number, because it can be changed into a prime (12000000202123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21428571510 + ... + 21428572069.

It is an arithmetic number, because the mean of its divisors is an integer number (964285730550).

Almost surely, 2^{12000000202120} is an apocalyptic number.

12000000202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000000202120 is an abundant number, since it is smaller than the sum of its proper divisors (18857143175480).

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

12000000202120 is a wasteful number, since it uses less digits than its factorization.

12000000202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42857143597 (or 42857143593 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12000000202120 its reverse (2120200000021), we get a palindrome (14120200202141).

The spelling of 12000000202120 in words is "twelve trillion, two hundred two thousand, one hundred twenty".