212477214720 has 272 divisors, whose sum is σ = 683020418112. Its totient is φ = 56402903040.

The previous prime is 212477214707. The next prime is 212477214737. The reversal of 212477214720 is 27412774212.

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, 325385914 + ... + 325386566.

Almost surely, 2^212477214720 is an apocalyptic number.

212477214720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212477214720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341510209056).

212477214720 is an abundant number, since it is smaller than the sum of its proper divisors (470543203392).

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

212477214720 is an frugal number, since it uses more digits than its factorization.

212477214720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 39.

Adding to 212477214720 its reverse (27412774212), we get a palindrome (239889988932).

The spelling of 212477214720 in words is "two hundred twelve billion, four hundred seventy-seven million, two hundred fourteen thousand, seven hundred twenty".