212220512463 has 16 divisors (see below), whose sum is σ = 284048142336. Its totient is φ = 140937226080.

The previous prime is 212220512447. The next prime is 212220512477. The reversal of 212220512463 is 364215022212.

It is not a de Polignac number, because 212220512463 - 2⁴ = 212220512447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212220512463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220512263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1323070 + ... + 1474772.

It is an arithmetic number, because the mean of its divisors is an integer number (17753008896).

Almost surely, 2^212220512463 is an apocalyptic number.

212220512463 is a deficient number, since it is larger than the sum of its proper divisors (71827629873).

212220512463 is a wasteful number, since it uses less digits than its factorization.

212220512463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153494.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 212220512463 its reverse (364215022212), we get a palindrome (576435534675).

The spelling of 212220512463 in words is "two hundred twelve billion, two hundred twenty million, five hundred twelve thousand, four hundred sixty-three".