12120212120110 has 32 divisors (see below), whose sum is σ = 21880704845952. Its totient is φ = 4833804944640.

The previous prime is 12120212120047. The next prime is 12120212120111. The reversal of 12120212120110 is 1102121202121.

It is a super-2 number, since 2×12120212120110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120212120111) 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, 6002634 + ... + 7763506.

It is an arithmetic number, because the mean of its divisors is an integer number (683772026436).

Almost surely, 2^{12120212120110} is an apocalyptic number.

12120212120110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120212120110 is a deficient number, since it is larger than the sum of its proper divisors (9760492725842).

12120212120110 is a wasteful number, since it uses less digits than its factorization.

12120212120110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762908.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12120212120110 its reverse (1102121202121), we get a palindrome (13222333322231).

The spelling of 12120212120110 in words is "twelve trillion, one hundred twenty billion, two hundred twelve million, one hundred twenty thousand, one hundred ten".