1200220022210 has 64 divisors (see below), whose sum is σ = 2437085933568. Its totient is φ = 421624440000.

The previous prime is 1200220022201. The next prime is 1200220022237. The reversal of 1200220022210 is 122200220021.

It is a Curzon 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, 1638905 + ... + 2255315.

It is an arithmetic number, because the mean of its divisors is an integer number (38079467712).

Almost surely, 2^{1200220022210} is an apocalyptic number.

1200220022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200220022210 is an abundant number, since it is smaller than the sum of its proper divisors (1236865911358).

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

1200220022210 is a wasteful number, since it uses less digits than its factorization.

1200220022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617031.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1200220022210 its reverse (122200220021), we get a palindrome (1322420242231).

The spelling of 1200220022210 in words is "one trillion, two hundred billion, two hundred twenty million, twenty-two thousand, two hundred ten".