212906760 has 256 divisors, whose sum is σ = 742072320. Its totient is φ = 48787200.

The previous prime is 212906753. The next prime is 212906773. The reversal of 212906760 is 67609212.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4951299 + ... + 4951341.

It is an arithmetic number, because the mean of its divisors is an integer number (2898720).

Almost surely, 2^212906760 is an apocalyptic number.

212906760 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 212906760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371036160).

212906760 is an abundant number, since it is smaller than the sum of its proper divisors (529165560).

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

212906760 is a wasteful number, since it uses less digits than its factorization.

212906760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 212906760 is about 14591.3248199058. The cubic root of 212906760 is about 597.1221071803.

The spelling of 212906760 in words is "two hundred twelve million, nine hundred six thousand, seven hundred sixty".