212742896 has 40 divisors (see below), whose sum is σ = 448252560. Its totient is φ = 97403904.

The previous prime is 212742853. The next prime is 212742899. The reversal of 212742896 is 698247212.

212742896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212742899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506 + ... + 20633.

It is an arithmetic number, because the mean of its divisors is an integer number (11206314).

Almost surely, 2^212742896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212742896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224126280).

212742896 is an abundant number, since it is smaller than the sum of its proper divisors (235509664).

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

212742896 is a wasteful number, since it uses less digits than its factorization.

212742896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21201 (or 21195 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 212742896 is about 14585.7086217983. The cubic root of 212742896 is about 596.9688758936.

The spelling of 212742896 in words is "two hundred twelve million, seven hundred forty-two thousand, eight hundred ninety-six".