12012122010 has 64 divisors (see below), whose sum is σ = 32956452864. Its totient is φ = 2744884800.

The previous prime is 12012122009. The next prime is 12012122029. The reversal of 12012122010 is 1022121021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1274415 + ... + 1283805.

It is an arithmetic number, because the mean of its divisors is an integer number (514944576).

Almost surely, 2^12012122010 is an apocalyptic number.

12012122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012122010 is an abundant number, since it is smaller than the sum of its proper divisors (20944330854).

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

12012122010 is a wasteful number, since it uses less digits than its factorization.

12012122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15499.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12012122010 its reverse (1022121021), we get a palindrome (13034243031).

The spelling of 12012122010 in words is "twelve billion, twelve million, one hundred twenty-two thousand, ten".