212151414 has 64 divisors (see below), whose sum is σ = 465776640. Its totient is φ = 64229760.

The previous prime is 212151353. The next prime is 212151491. The reversal of 212151414 is 414151212.

212151414 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 an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199047 + ... + 200109.

It is an arithmetic number, because the mean of its divisors is an integer number (7277760).

Almost surely, 2^212151414 is an apocalyptic number.

212151414 is an abundant number, since it is smaller than the sum of its proper divisors (253625226).

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

212151414 is a wasteful number, since it uses less digits than its factorization.

212151414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165.

The product of its digits is 320, while the sum is 21.

The square root of 212151414 is about 14565.4184285931. The cubic root of 212151414 is about 596.4151181392.

It can be divided in two parts, 2121 and 51414, that added together give a palindrome (53535).

The spelling of 212151414 in words is "two hundred twelve million, one hundred fifty-one thousand, four hundred fourteen".