61214212 has 48 divisors (see below), whose sum is σ = 119024640. Its totient is φ = 27417600.

The previous prime is 61214159. The next prime is 61214221. The reversal of 61214212 is 21241216.

It is a self number, because there is not a number n which added to its sum of digits gives 61214212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149464 + ... + 149872.

It is an arithmetic number, because the mean of its divisors is an integer number (2479680).

Almost surely, 2^61214212 is an apocalyptic number.

61214212 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

61214212 is a deficient number, since it is larger than the sum of its proper divisors (57810428).

61214212 is a wasteful number, since it uses less digits than its factorization.

61214212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 530 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 61214212 is about 7823.9511757168. The cubic root of 61214212 is about 394.1099695612.

Adding to 61214212 its reverse (21241216), we get a palindrome (82455428).

The spelling of 61214212 in words is "sixty-one million, two hundred fourteen thousand, two hundred twelve".