61302012 has 24 divisors (see below), whose sum is σ = 144377856. Its totient is φ = 20242608.

The previous prime is 61302001. The next prime is 61302013. The reversal of 61302012 is 21020316.

It is a junction number, because it is equal to n+sod(n) for n = 61301982 and 61302000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61302013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22588 + ... + 25155.

It is an arithmetic number, because the mean of its divisors is an integer number (6015744).

Almost surely, 2^61302012 is an apocalyptic number.

It is an amenable number.

61302012 is an abundant number, since it is smaller than the sum of its proper divisors (83075844).

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

61302012 is a wasteful number, since it uses less digits than its factorization.

61302012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47857 (or 47855 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 61302012 is about 7829.5601409019. The cubic root of 61302012 is about 394.2983045009.

Adding to 61302012 its reverse (21020316), we get a palindrome (82322328).

The spelling of 61302012 in words is "sixty-one million, three hundred two thousand, twelve".