1201321222133 has 16 divisors (see below), whose sum is σ = 1242756732672. Its totient is φ = 1160513520000.

The previous prime is 1201321222103. The next prime is 1201321222151. The reversal of 1201321222133 is 3312221231021.

It is a de Polignac number, because none of the positive numbers 2^k-1201321222133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201321222099 and 1201321222108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201321222103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1613435 + ... + 2237367.

It is an arithmetic number, because the mean of its divisors is an integer number (77672295792).

Almost surely, 2^{1201321222133} is an apocalyptic number.

It is an amenable number.

1201321222133 is a deficient number, since it is larger than the sum of its proper divisors (41435510539).

1201321222133 is a wasteful number, since it uses less digits than its factorization.

1201321222133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624436.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1201321222133 its reverse (3312221231021), we get a palindrome (4513542453154).

The spelling of 1201321222133 in words is "one trillion, two hundred one billion, three hundred twenty-one million, two hundred twenty-two thousand, one hundred thirty-three".