223012130130021 has 32 divisors (see below), whose sum is σ = 315775030803840. Its totient is φ = 139600813492224.

The previous prime is 223012130129981. The next prime is 223012130130043. The reversal of 223012130130021 is 120031031210322.

It is not a de Polignac number, because 223012130130021 - 2¹³ = 223012130121829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223012130130021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223012130170021) 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, 400435665 + ... + 400992201.

It is an arithmetic number, because the mean of its divisors is an integer number (9867969712620).

Almost surely, 2^{223012130130021} is an apocalyptic number.

It is an amenable number.

223012130130021 is a deficient number, since it is larger than the sum of its proper divisors (92762900673819).

223012130130021 is a wasteful number, since it uses less digits than its factorization.

223012130130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618885.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 223012130130021 its reverse (120031031210322), we get a palindrome (343043161340343).

The spelling of 223012130130021 in words is "two hundred twenty-three trillion, twelve billion, one hundred thirty million, one hundred thirty thousand, twenty-one".