1001200222192 has 10 divisors (see below), whose sum is σ = 1939825430528. Its totient is φ = 500600111088.

The previous prime is 1001200222181. The next prime is 1001200222193. The reversal of 1001200222192 is 2912220021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001200222193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31287506928 + ... + 31287506959.

Almost surely, 2^{1001200222192} is an apocalyptic number.

It is an amenable number.

1001200222192 is a deficient number, since it is larger than the sum of its proper divisors (938625208336).

1001200222192 is an equidigital number, since it uses as much as digits as its factorization.

1001200222192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62575013895 (or 62575013889 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 1001200222192 its reverse (2912220021001), we get a palindrome (3913420243193).

The spelling of 1001200222192 in words is "one trillion, one billion, two hundred million, two hundred twenty-two thousand, one hundred ninety-two".