2212344012340 has 48 divisors (see below), whose sum is σ = 5792318872704. Its totient is φ = 689561769600.

The previous prime is 2212344012331. The next prime is 2212344012341. The reversal of 2212344012340 is 432104432122.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2212344012299 and 2212344012308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212344012341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718291971 + ... + 718295050.

It is an arithmetic number, because the mean of its divisors is an integer number (120673309848).

Almost surely, 2^{2212344012340} is an apocalyptic number.

2212344012340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212344012340 is an abundant number, since it is smaller than the sum of its proper divisors (3579974860364).

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

2212344012340 is a wasteful number, since it uses less digits than its factorization.

2212344012340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436587048 (or 1436587046 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2212344012340 its reverse (432104432122), we get a palindrome (2644448444462).

The spelling of 2212344012340 in words is "two trillion, two hundred twelve billion, three hundred forty-four million, twelve thousand, three hundred forty".