12210101000 has 32 divisors (see below), whose sum is σ = 28571638680. Its totient is φ = 4884040000.

The previous prime is 12210100993. The next prime is 12210101009. The reversal of 12210101000 is 10101221.

It can be written as a sum of positive squares in 4 ways, for example, as 2098189636 + 10111911364 = 45806^2 + 100558^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (12210101009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6104051 + ... + 6106050.

Almost surely, 2^12210101000 is an apocalyptic number.

12210101000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210101000 is an abundant number, since it is smaller than the sum of its proper divisors (16361537680).

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

12210101000 is a wasteful number, since it uses less digits than its factorization.

12210101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12210122 (or 12210108 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12210101000 its reverse (10101221), we get a palindrome (12220202221).

It can be divided in two parts, 12 and 210101000, that added together give a palindrome (210101012).

The spelling of 12210101000 in words is "twelve billion, two hundred ten million, one hundred one thousand".