1200120020022 has 128 divisors (see below), whose sum is σ = 2999607782400. Its totient is φ = 310980902400.

The previous prime is 1200120020003. The next prime is 1200120020069. The reversal of 1200120020022 is 2200200210021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 528919104 + ... + 528921372.

It is an arithmetic number, because the mean of its divisors is an integer number (23434435800).

Almost surely, 2^{1200120020022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200120020022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1499803891200).

1200120020022 is an abundant number, since it is smaller than the sum of its proper divisors (1799487762378).

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

1200120020022 is a wasteful number, since it uses less digits than its factorization.

1200120020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1200120020022 its reverse (2200200210021), we get a palindrome (3400320230043).

The spelling of 1200120020022 in words is "one trillion, two hundred billion, one hundred twenty million, twenty thousand, twenty-two".