1022520243213 has 64 divisors (see below), whose sum is σ = 1779658560000. Its totient is φ = 567988526592.

The previous prime is 1022520243211. The next prime is 1022520243221. The reversal of 1022520243213 is 3123420252201.

1022520243213 is a `hidden beast` number, since 1 + 0 + 2 + 25 + 202 + 432 + 1 + 3 = 666.

1022520243213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1022520243213 - 2¹ = 1022520243211 is a prime.

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 (1022520243211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7689313 + ... + 7821161.

It is an arithmetic number, because the mean of its divisors is an integer number (27807165000).

Almost surely, 2^{1022520243213} is an apocalyptic number.

It is an amenable number.

1022520243213 is a deficient number, since it is larger than the sum of its proper divisors (757138316787).

1022520243213 is a wasteful number, since it uses less digits than its factorization.

1022520243213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133011 (or 133005 counting only the distinct ones).

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

Adding to 1022520243213 its reverse (3123420252201), we get a palindrome (4145940495414).

The spelling of 1022520243213 in words is "one trillion, twenty-two billion, five hundred twenty million, two hundred forty-three thousand, two hundred thirteen".