1200534620022 has 80 divisors (see below), whose sum is σ = 2790826038000. Its totient is φ = 385271328960.

The previous prime is 1200534620017. The next prime is 1200534620023. The reversal of 1200534620022 is 2200264350021.

It is a happy number.

1200534620022 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 5 + 34 + 620 + 0 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200534620023) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1273497 + ... + 2005707.

It is an arithmetic number, because the mean of its divisors is an integer number (34885325475).

Almost surely, 2^{1200534620022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200534620022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1395413019000).

1200534620022 is an abundant number, since it is smaller than the sum of its proper divisors (1590291417978).

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

1200534620022 is a wasteful number, since it uses less digits than its factorization.

1200534620022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732603 (or 732594 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 1200534620022 its reverse (2200264350021), we get a palindrome (3400798970043).

The spelling of 1200534620022 in words is "one trillion, two hundred billion, five hundred thirty-four million, six hundred twenty thousand, twenty-two".