5212211421144 has 384 divisors, whose sum is σ = 17333460527040. Its totient is φ = 1290099621888.

The previous prime is 5212211421139. The next prime is 5212211421173. The reversal of 5212211421144 is 4411241122125.

It is a happy number.

It is a super-2 number, since 2×5212211421144² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 91714882 + ... + 91771694.

Almost surely, 2^{5212211421144} 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 5212211421144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8666730263520).

5212211421144 is an abundant number, since it is smaller than the sum of its proper divisors (12121249105896).

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

5212211421144 is a wasteful number, since it uses less digits than its factorization.

5212211421144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57219 (or 57208 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

Adding to 5212211421144 its reverse (4411241122125), we get a palindrome (9623452543269).

The spelling of 5212211421144 in words is "five trillion, two hundred twelve billion, two hundred eleven million, four hundred twenty-one thousand, one hundred forty-four".