1201204400022 has 96 divisors (see below), whose sum is σ = 2926720802304. Its totient is φ = 352926830400.

The previous prime is 1201204399999. The next prime is 1201204400059. The reversal of 1201204400022 is 2200044021021.

1201204400022 is a `hidden beast` number, since 1 + 201 + 2 + 0 + 440 + 0 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1201204399968 and 1201204400004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 392572 + ... + 1598912.

It is an arithmetic number, because the mean of its divisors is an integer number (30486675024).

Almost surely, 2^{1201204400022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201204400022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1463360401152).

1201204400022 is an abundant number, since it is smaller than the sum of its proper divisors (1725516402282).

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

1201204400022 is a wasteful number, since it uses less digits than its factorization.

1201204400022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206514 (or 1206511 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1201204400022 its reverse (2200044021021), we get a palindrome (3401248421043).

The spelling of 1201204400022 in words is "one trillion, two hundred one billion, two hundred four million, four hundred thousand, twenty-two".