201220122012010 has 16 divisors (see below), whose sum is σ = 363699108504072. Its totient is φ = 80154073497600.

The previous prime is 201220122011983. The next prime is 201220122012067. The reversal of 201220122012010 is 10210221022102.

It is a happy number.

201220122012010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 125938244172841 + 75281877839169 = 11222221^2 + 8676513^2 .

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, 41746910871 + ... + 41746915690.

Almost surely, 2^{201220122012010} is an apocalyptic number.

201220122012010 is a deficient number, since it is larger than the sum of its proper divisors (162478986492062).

201220122012010 is a wasteful number, since it uses less digits than its factorization.

201220122012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83493826809.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201220122012010 its reverse (10210221022102), we get a palindrome (211430343034112).

The spelling of 201220122012010 in words is "two hundred one trillion, two hundred twenty billion, one hundred twenty-two million, twelve thousand, ten".