61212050 has 24 divisors (see below), whose sum is σ = 114063012. Its totient is φ = 24440000.

The previous prime is 61212049. The next prime is 61212061. The reversal of 61212050 is 5021216.

It can be written as a sum of positive squares in 6 ways, for example, as 6466849 + 54745201 = 2543^2 + 7399^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 46400 + ... + 47700.

Almost surely, 2^61212050 is an apocalyptic number.

61212050 is a deficient number, since it is larger than the sum of its proper divisors (52850962).

61212050 is a wasteful number, since it uses less digits than its factorization.

61212050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254 (or 2249 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 61212050 is about 7823.8130090129. The cubic root of 61212050 is about 394.1053297030.

Adding to 61212050 its reverse (5021216), we get a palindrome (66233266).

The spelling of 61212050 in words is "sixty-one million, two hundred twelve thousand, fifty".