61070012 has 12 divisors (see below), whose sum is σ = 106946616. Its totient is φ = 30513840.

The previous prime is 61070003. The next prime is 61070029. The reversal of 61070012 is 21007016.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2462 + ... + 11322.

It is an arithmetic number, because the mean of its divisors is an integer number (8912218).

Almost surely, 2^61070012 is an apocalyptic number.

It is an amenable number.

61070012 is a deficient number, since it is larger than the sum of its proper divisors (45876604).

61070012 is a wasteful number, since it uses less digits than its factorization.

61070012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10588 (or 10586 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 61070012 is about 7814.7304496061. The cubic root of 61070012 is about 393.8002629377.

Adding to 61070012 its reverse (21007016), we get a palindrome (82077028).

The spelling of 61070012 in words is "sixty-one million, seventy thousand, twelve".