12120012222010 has 96 divisors (see below), whose sum is σ = 27471179362176. Its totient is φ = 3740261088000.

The previous prime is 12120012221981. The next prime is 12120012222029. The reversal of 12120012222010 is 1022221002121.

It is a happy number.

12120012222010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7083264 + ... + 8626276.

It is an arithmetic number, because the mean of its divisors is an integer number (286158118356).

Almost surely, 2^{12120012222010} is an apocalyptic number.

12120012222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120012222010 is an abundant number, since it is smaller than the sum of its proper divisors (15351167140166).

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

12120012222010 is a wasteful number, since it uses less digits than its factorization.

12120012222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543240 (or 1543139 counting only the distinct ones).

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

Adding to 12120012222010 its reverse (1022221002121), we get a palindrome (13142233224131).

The spelling of 12120012222010 in words is "twelve trillion, one hundred twenty billion, twelve million, two hundred twenty-two thousand, ten".