2012211122210 has 16 divisors (see below), whose sum is σ = 3835037668536. Its totient is φ = 757538304768.

The previous prime is 2012211122071. The next prime is 2012211122287. The reversal of 2012211122210 is 122211122102.

It can be written as a sum of positive squares in 4 ways, for example, as 1966706126449 + 45504995761 = 1402393^2 + 213319^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 5918267837 + ... + 5918268176.

Almost surely, 2^{2012211122210} is an apocalyptic number.

2012211122210 is a deficient number, since it is larger than the sum of its proper divisors (1822826546326).

2012211122210 is a wasteful number, since it uses less digits than its factorization.

2012211122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11836536037.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2012211122210 its reverse (122211122102), we get a palindrome (2134422244312).

The spelling of 2012211122210 in words is "two trillion, twelve billion, two hundred eleven million, one hundred twenty-two thousand, two hundred ten".