12120022010 has 8 divisors (see below), whose sum is σ = 21816039636. Its totient is φ = 4848008800.

The previous prime is 12120022003. The next prime is 12120022049. The reversal of 12120022010 is 1022002121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11970766921 + 149255089 = 109411^2 + 12217^2 .

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 = 12120021982 and 12120022000.

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, 606001091 + ... + 606001110.

Almost surely, 2^12120022010 is an apocalyptic number.

12120022010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120022010 is a deficient number, since it is larger than the sum of its proper divisors (9696017626).

12120022010 is a wasteful number, since it uses less digits than its factorization.

12120022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212002208.

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

Adding to 12120022010 its reverse (1022002121), we get a palindrome (13142024131).

The spelling of 12120022010 in words is "twelve billion, one hundred twenty million, twenty-two thousand, ten".