12012210010 has 16 divisors (see below), whose sum is σ = 21641149800. Its totient is φ = 4800623616.

The previous prime is 12012209999. The next prime is 12012210043. The reversal of 12012210010 is 1001221021.

It can be written as a sum of positive squares in 4 ways, for example, as 5832835129 + 6179374881 = 76373^2 + 78609^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520695 + ... + 543274.

Almost surely, 2^12012210010 is an apocalyptic number.

12012210010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012210010 is a deficient number, since it is larger than the sum of its proper divisors (9628939790).

12012210010 is a wasteful number, since it uses less digits than its factorization.

12012210010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065105.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12012210010 its reverse (1001221021), we get a palindrome (13013431031).

The spelling of 12012210010 in words is "twelve billion, twelve million, two hundred ten thousand, ten".