2001122232212 has 96 divisors (see below), whose sum is σ = 3909523968000. Its totient is φ = 891900979200.

The previous prime is 2001122232173. The next prime is 2001122232227. The reversal of 2001122232212 is 2122322211002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55706537 + ... + 55742447.

It is an arithmetic number, because the mean of its divisors is an integer number (40724208000).

Almost surely, 2^{2001122232212} is an apocalyptic number.

It is an amenable number.

2001122232212 is a deficient number, since it is larger than the sum of its proper divisors (1908401735788).

2001122232212 is a wasteful number, since it uses less digits than its factorization.

2001122232212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36477 (or 36475 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2001122232212 its reverse (2122322211002), we get a palindrome (4123444443214).

The spelling of 2001122232212 in words is "two trillion, one billion, one hundred twenty-two million, two hundred thirty-two thousand, two hundred twelve".