1213022024244 has 36 divisors (see below), whose sum is σ = 3112015050144. Its totient is φ = 398305738512.

The previous prime is 1213022024237. The next prime is 1213022024261. The reversal of 1213022024244 is 4424202203121.

It is a happy number.

1213022024244 is a `hidden beast` number, since 1 + 2 + 1 + 30 + 2 + 202 + 424 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1213022024244² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251453232 + ... + 251458055.

It is an arithmetic number, because the mean of its divisors is an integer number (86444862504).

Almost surely, 2^{1213022024244} is an apocalyptic number.

It is an amenable number.

1213022024244 is an abundant number, since it is smaller than the sum of its proper divisors (1898993025900).

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

1213022024244 is a wasteful number, since it uses less digits than its factorization.

1213022024244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502911364 (or 502911359 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1213022024244 its reverse (4424202203121), we get a palindrome (5637224227365).

The spelling of 1213022024244 in words is "one trillion, two hundred thirteen billion, twenty-two million, twenty-four thousand, two hundred forty-four".