2212121630316 has 96 divisors (see below), whose sum is σ = 5575033094400. Its totient is φ = 678650353920.

The previous prime is 2212121630297. The next prime is 2212121630347. The reversal of 2212121630316 is 6130361212122.

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, 131438590 + ... + 131455418.

It is an arithmetic number, because the mean of its divisors is an integer number (58073261400).

Almost surely, 2^{2212121630316} is an apocalyptic number.

2212121630316 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2212121630316 is an abundant number, since it is smaller than the sum of its proper divisors (3362911464084).

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

2212121630316 is a wasteful number, since it uses less digits than its factorization.

2212121630316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19279 (or 19277 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 2212121630316 its reverse (6130361212122), we get a palindrome (8342482842438).

The spelling of 2212121630316 in words is "two trillion, two hundred twelve billion, one hundred twenty-one million, six hundred thirty thousand, three hundred sixteen".