12020021020210 has 16 divisors (see below), whose sum is σ = 24726900384576. Its totient is φ = 4121150064048.

The previous prime is 12020021020201. The next prime is 12020021020229. The reversal of 12020021020210 is 1202012002021.

It is a happy number.

It is a super-3 number, since 3×12020021020210³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85857292932 + ... + 85857293071.

It is an arithmetic number, because the mean of its divisors is an integer number (1545431274036).

Almost surely, 2^{12020021020210} is an apocalyptic number.

12020021020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020021020210 is an abundant number, since it is smaller than the sum of its proper divisors (12706879364366).

12020021020210 is a wasteful number, since it uses less digits than its factorization.

12020021020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171714586017.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12020021020210 its reverse (1202012002021), we get a palindrome (13222033022231).

The spelling of 12020021020210 in words is "twelve trillion, twenty billion, twenty-one million, twenty thousand, two hundred ten".