214222440312 has 128 divisors (see below), whose sum is σ = 621439257600. Its totient is φ = 68247298944.

The previous prime is 214222440307. The next prime is 214222440347. The reversal of 214222440312 is 213044222412.

It is a happy number.

214222440312 is a `hidden beast` number, since 21 + 4 + 2 + 224 + 403 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6327253 + ... + 6361019.

It is an arithmetic number, because the mean of its divisors is an integer number (4854994200).

Almost surely, 2^214222440312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214222440312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310719628800).

214222440312 is an abundant number, since it is smaller than the sum of its proper divisors (407216817288).

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

214222440312 is a wasteful number, since it uses less digits than its factorization.

214222440312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35082 (or 35072 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 214222440312 its reverse (213044222412), we get a palindrome (427266662724).

The spelling of 214222440312 in words is "two hundred fourteen billion, two hundred twenty-two million, four hundred forty thousand, three hundred twelve".