2001233231222 has 32 divisors (see below), whose sum is σ = 3047723642880. Its totient is φ = 985392888480.

The previous prime is 2001233231213. The next prime is 2001233231267. The reversal of 2001233231222 is 2221323321002.

It is a super-2 number, since 2×2001233231222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233430128 + ... + 233438700.

It is an arithmetic number, because the mean of its divisors is an integer number (95241363840).

Almost surely, 2^{2001233231222} is an apocalyptic number.

2001233231222 is a deficient number, since it is larger than the sum of its proper divisors (1046490411658).

2001233231222 is a wasteful number, since it uses less digits than its factorization.

2001233231222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12308.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2001233231222 its reverse (2221323321002), we get a palindrome (4222556552224).

The spelling of 2001233231222 in words is "two trillion, one billion, two hundred thirty-three million, two hundred thirty-one thousand, two hundred twenty-two".