212340554 has 16 divisors (see below), whose sum is σ = 337324608. Its totient is φ = 100036992.

The previous prime is 212340551. The next prime is 212340563. The reversal of 212340554 is 455043212.

It is a happy number.

212340554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212340551) 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, 31367 + ... + 37530.

It is an arithmetic number, because the mean of its divisors is an integer number (21082788).

Almost surely, 2^212340554 is an apocalyptic number.

212340554 is a deficient number, since it is larger than the sum of its proper divisors (124984054).

212340554 is a wasteful number, since it uses less digits than its factorization.

212340554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68989.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 212340554 is about 14571.9097581614. The cubic root of 212340554 is about 596.5923067589.

Adding to 212340554 its reverse (455043212), we get a palindrome (667383766).

The spelling of 212340554 in words is "two hundred twelve million, three hundred forty thousand, five hundred fifty-four".