212214113345 has 16 divisors (see below), whose sum is σ = 274471379280. Its totient is φ = 156583133184.

The previous prime is 212214113299. The next prime is 212214113383. The reversal of 212214113345 is 543311412212.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7935424561 + 204278688784 = 89081^2 + 451972^2 .

It is a cyclic number.

It is not a de Polignac number, because 212214113345 - 2⁶ = 212214113281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1262240 + ... + 1420449.

It is an arithmetic number, because the mean of its divisors is an integer number (17154461205).

Almost surely, 2^212214113345 is an apocalyptic number.

It is an amenable number.

212214113345 is a deficient number, since it is larger than the sum of its proper divisors (62257265935).

212214113345 is a wasteful number, since it uses less digits than its factorization.

212214113345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683924.

The product of its digits is 5760, while the sum is 29.

Adding to 212214113345 its reverse (543311412212), we get a palindrome (755525525557).

The spelling of 212214113345 in words is "two hundred twelve billion, two hundred fourteen million, one hundred thirteen thousand, three hundred forty-five".