12022100010 has 24 divisors (see below), whose sum is σ = 31257460260. Its totient is φ = 3205893312.

The previous prime is 12022100009. The next prime is 12022100021. The reversal of 12022100010 is 1000122021.

It can be written as a sum of positive squares in 2 ways, for example, as 10674402489 + 1347697521 = 103317^2 + 36711^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12022099965 and 12022100001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66789355 + ... + 66789534.

Almost surely, 2^12022100010 is an apocalyptic number.

12022100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12022100010 is an abundant number, since it is smaller than the sum of its proper divisors (19235360250).

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

12022100010 is a wasteful number, since it uses less digits than its factorization.

12022100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133578902 (or 133578899 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12022100010 its reverse (1000122021), we get a palindrome (13022222031).

The spelling of 12022100010 in words is "twelve billion, twenty-two million, one hundred thousand, ten".