1200213021122 has 8 divisors (see below), whose sum is σ = 1805334350400. Its totient is φ = 598434904324.

The previous prime is 1200213021041. The next prime is 1200213021131. The reversal of 1200213021122 is 2211203120021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1200213021122² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1200213021122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835802222 + ... + 835803657.

It is an arithmetic number, because the mean of its divisors is an integer number (225666793800).

Almost surely, 2^{1200213021122} is an apocalyptic number.

1200213021122 is a deficient number, since it is larger than the sum of its proper divisors (605121329278).

1200213021122 is a wasteful number, since it uses less digits than its factorization.

1200213021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671606240.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1200213021122 its reverse (2211203120021), we get a palindrome (3411416141143).

The spelling of 1200213021122 in words is "one trillion, two hundred billion, two hundred thirteen million, twenty-one thousand, one hundred twenty-two".