212220701470 has 32 divisors (see below), whose sum is σ = 391725603360. Its totient is φ = 82730780160.

The previous prime is 212220701393. The next prime is 212220701471. The reversal of 212220701470 is 74107022212.

It is a super-2 number, since 2×212220701470² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220701471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119161 + ... + 662299.

It is an arithmetic number, because the mean of its divisors is an integer number (12241425105).

Almost surely, 2^212220701470 is an apocalyptic number.

212220701470 is a deficient number, since it is larger than the sum of its proper divisors (179504901890).

212220701470 is a wasteful number, since it uses less digits than its factorization.

212220701470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544140.

The product of its (nonzero) digits is 3136, while the sum is 28.

Adding to 212220701470 its reverse (74107022212), we get a palindrome (286327723682).

The spelling of 212220701470 in words is "two hundred twelve billion, two hundred twenty million, seven hundred one thousand, four hundred seventy".