22001212010 has 8 divisors (see below), whose sum is σ = 39602181636. Its totient is φ = 8800484800.

The previous prime is 22001212003. The next prime is 22001212019. The reversal of 22001212010 is 1021210022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21266097241 + 735114769 = 145829^2 + 27113^2 .

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 = 22001211982 and 22001212000.

It is not an unprimeable number, because it can be changed into a prime (22001212019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100060591 + ... + 1100060610.

Almost surely, 2^22001212010 is an apocalyptic number.

22001212010 is a deficient number, since it is larger than the sum of its proper divisors (17600969626).

22001212010 is a wasteful number, since it uses less digits than its factorization.

22001212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200121208.

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

Adding to 22001212010 its reverse (1021210022), we get a palindrome (23022422032).

The spelling of 22001212010 in words is "twenty-two billion, one million, two hundred twelve thousand, ten".