61301212 has 12 divisors (see below), whose sum is σ = 122602480. Its totient is φ = 26271936.

The previous prime is 61301189. The next prime is 61301213. The reversal of 61301212 is 21210316.

61301212 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61301213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1094637 + ... + 1094692.

Almost surely, 2^61301212 is an apocalyptic number.

It is an amenable number.

61301212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61301212 is a wasteful number, since it uses less digits than its factorization.

61301212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189340 (or 2189338 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 61301212 is about 7829.5090522970. The cubic root of 61301212 is about 394.2965892771.

Adding to 61301212 its reverse (21210316), we get a palindrome (82511528).

The spelling of 61301212 in words is "sixty-one million, three hundred one thousand, two hundred twelve".