1200002222022 has 16 divisors (see below), whose sum is σ = 2400024630000. Its totient is φ = 399997376352.

The previous prime is 1200002222009. The next prime is 1200002222123. The reversal of 1200002222022 is 2202222000021.

It is a junction number, because it is equal to n+sod(n) for n = 1200002221992 and 1200002222010.

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, 4213 + ... + 1549200.

It is an arithmetic number, because the mean of its divisors is an integer number (150001539375).

Almost surely, 2^{1200002222022} is an apocalyptic number.

1200002222022 is an abundant number, since it is smaller than the sum of its proper divisors (1200022407978).

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

1200002222022 is a wasteful number, since it uses less digits than its factorization.

1200002222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682167.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 1200002222022 its reverse (2202222000021), we get a palindrome (3402224222043).

The spelling of 1200002222022 in words is "one trillion, two hundred billion, two million, two hundred twenty-two thousand, twenty-two".