212642034 has 64 divisors (see below), whose sum is σ = 501672960. Its totient is φ = 59382720.

The previous prime is 212642021. The next prime is 212642083. The reversal of 212642034 is 430246212.

212642034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212641995 and 212642013.

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, 44107 + ... + 48689.

It is an arithmetic number, because the mean of its divisors is an integer number (7838640).

Almost surely, 2^212642034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212642034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250836480).

212642034 is an abundant number, since it is smaller than the sum of its proper divisors (289030926).

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

212642034 is a wasteful number, since it uses less digits than its factorization.

212642034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4655.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 212642034 is about 14582.2506493339. The cubic root of 212642034 is about 596.8745194444.

Adding to 212642034 its reverse (430246212), we get a palindrome (642888246).

It can be divided in two parts, 212 and 642034, that added together give a palindrome (642246).

The spelling of 212642034 in words is "two hundred twelve million, six hundred forty-two thousand, thirty-four".