1201083213 has 32 divisors (see below), whose sum is σ = 1784592000. Its totient is φ = 712448000.

The previous prime is 1201083203. The next prime is 1201083217. The reversal of 1201083213 is 3123801021.

It is not a de Polignac number, because 1201083213 - 2¹⁰ = 1201082189 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201083213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201083217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294613 + ... + 298661.

It is an arithmetic number, because the mean of its divisors is an integer number (55768500).

Almost surely, 2^1201083213 is an apocalyptic number.

It is an amenable number.

1201083213 is a deficient number, since it is larger than the sum of its proper divisors (583508787).

1201083213 is a wasteful number, since it uses less digits than its factorization.

1201083213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1201083213 is about 34656.6474575946. The cubic root of 1201083213 is about 1062.9782190152.

Adding to 1201083213 its reverse (3123801021), we get a palindrome (4324884234).

It can be divided in two parts, 120108 and 3213, that added together give a palindrome (123321).

The spelling of 1201083213 in words is "one billion, two hundred one million, eighty-three thousand, two hundred thirteen".