22143012120340 has 24 divisors (see below), whose sum is σ = 46523822415840. Its totient is φ = 8852729236128.

The previous prime is 22143012120337. The next prime is 22143012120343. The reversal of 22143012120340 is 4302121034122.

It is an interprime number because it is at equal distance from previous prime (22143012120337) and next prime (22143012120343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22143012120343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279685182 + ... + 279764341.

It is an arithmetic number, because the mean of its divisors is an integer number (1938492600660).

Almost surely, 2^{22143012120340} is an apocalyptic number.

22143012120340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22143012120340 is an abundant number, since it is smaller than the sum of its proper divisors (24380810295500).

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

22143012120340 is a wasteful number, since it uses less digits than its factorization.

22143012120340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559451511 (or 559451509 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 22143012120340 its reverse (4302121034122), we get a palindrome (26445133154462).

The spelling of 22143012120340 in words is "twenty-two trillion, one hundred forty-three billion, twelve million, one hundred twenty thousand, three hundred forty".