12120220010 has 8 divisors (see below), whose sum is σ = 21816396036. Its totient is φ = 4848088000.

The previous prime is 12120219997. The next prime is 12120220027. The reversal of 12120220010 is 1002202121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10531480129 + 1588739881 = 102623^2 + 39859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12120219973 and 12120220000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606010991 + ... + 606011010.

Almost surely, 2^12120220010 is an apocalyptic number.

12120220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120220010 is a deficient number, since it is larger than the sum of its proper divisors (9696176026).

12120220010 is a wasteful number, since it uses less digits than its factorization.

12120220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212022008.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12120220010 its reverse (1002202121), we get a palindrome (13122422131).

The spelling of 12120220010 in words is "twelve billion, one hundred twenty million, two hundred twenty thousand, ten".