61207212 has 48 divisors (see below), whose sum is σ = 157377024. Its totient is φ = 18360000.

The previous prime is 61207199. The next prime is 61207229. The reversal of 61207212 is 21270216.

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, 11037 + ... + 15627.

It is an arithmetic number, because the mean of its divisors is an integer number (3278688).

Almost surely, 2^61207212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61207212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78688512).

61207212 is an abundant number, since it is smaller than the sum of its proper divisors (96169812).

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

61207212 is a wasteful number, since it uses less digits than its factorization.

61207212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4710 (or 4708 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 61207212 is about 7823.5038186224. The cubic root of 61207212 is about 394.0949464978.

Adding to 61207212 its reverse (21270216), we get a palindrome (82477428).

The spelling of 61207212 in words is "sixty-one million, two hundred seven thousand, two hundred twelve".