61212234 has 16 divisors (see below), whose sum is σ = 123048288. Its totient is φ = 20300112.

The previous prime is 61212233. The next prime is 61212247. The reversal of 61212234 is 43221216.

It is a self number, because there is not a number n which added to its sum of digits gives 61212234.

It is not an unprimeable number, because it can be changed into a prime (61212233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24712 + ... + 27075.

It is an arithmetic number, because the mean of its divisors is an integer number (7690518).

Almost surely, 2^61212234 is an apocalyptic number.

61212234 is an abundant number, since it is smaller than the sum of its proper divisors (61836054).

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

61212234 is a wasteful number, since it uses less digits than its factorization.

61212234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51989.

The product of its digits is 576, while the sum is 21.

The square root of 61212234 is about 7823.8247679763. The cubic root of 61212234 is about 394.1057245888.

The spelling of 61212234 in words is "sixty-one million, two hundred twelve thousand, two hundred thirty-four".