201312220322010 has 128 divisors (see below), whose sum is σ = 554238790202880. Its totient is φ = 45841922555904.

The previous prime is 201312220321943. The next prime is 201312220322029. The reversal of 201312220322010 is 10223022213102.

It is a super-2 number, since 2×201312220322010² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 438197706 + ... + 438656874.

It is an arithmetic number, because the mean of its divisors is an integer number (4329990548460).

Almost surely, 2^{201312220322010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201312220322010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277119395101440).

201312220322010 is an abundant number, since it is smaller than the sum of its proper divisors (352926569880870).

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

201312220322010 is a wasteful number, since it uses less digits than its factorization.

201312220322010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467000.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 201312220322010 its reverse (10223022213102), we get a palindrome (211535242535112).

The spelling of 201312220322010 in words is "two hundred one trillion, three hundred twelve billion, two hundred twenty million, three hundred twenty-two thousand, ten".