22012123213203 has 4 divisors (see below), whose sum is σ = 29349497617608. Its totient is φ = 14674748808800.

The previous prime is 22012123213193. The next prime is 22012123213307. The reversal of 22012123213203 is 30231232121022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22012123213203 - 2⁹ = 22012123212691 is a prime.

It is a super-4 number, since 4×22012123213203⁴ (a number of 54 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (22012123214203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3668687202198 + ... + 3668687202203.

It is an arithmetic number, because the mean of its divisors is an integer number (7337374404402).

Almost surely, 2^{22012123213203} is an apocalyptic number.

22012123213203 is a deficient number, since it is larger than the sum of its proper divisors (7337374404405).

22012123213203 is an equidigital number, since it uses as much as digits as its factorization.

22012123213203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7337374404404.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 22012123213203 its reverse (30231232121022), we get a palindrome (52243355334225).

The spelling of 22012123213203 in words is "twenty-two trillion, twelve billion, one hundred twenty-three million, two hundred thirteen thousand, two hundred three".