1200220011022 has 16 divisors (see below), whose sum is σ = 1836616259952. Its totient is φ = 588119313600.

The previous prime is 1200220011017. The next prime is 1200220011047. The reversal of 1200220011022 is 2201100220021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1200220010993 and 1200220011011.

It is a congruent number.

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, 26157604 + ... + 26203447.

It is an arithmetic number, because the mean of its divisors is an integer number (114788516247).

Almost surely, 2^{1200220011022} is an apocalyptic number.

1200220011022 is a deficient number, since it is larger than the sum of its proper divisors (636396248930).

1200220011022 is a wasteful number, since it uses less digits than its factorization.

1200220011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52361283.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1200220011022 its reverse (2201100220021), we get a palindrome (3401320231043).

The spelling of 1200220011022 in words is "one trillion, two hundred billion, two hundred twenty million, eleven thousand, twenty-two".