30561061412 has 24 divisors (see below), whose sum is σ = 61136288640. Its totient is φ = 13094562240.

The previous prime is 30561061411. The next prime is 30561061439. The reversal of 30561061412 is 21416016503.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30561061411) 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, 1337 + ... + 247232.

It is an arithmetic number, because the mean of its divisors is an integer number (2547345360).

Almost surely, 2^30561061412 is an apocalyptic number.

It is an amenable number.

30561061412 is an abundant number, since it is smaller than the sum of its proper divisors (30575227228).

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

30561061412 is a wasteful number, since it uses less digits than its factorization.

30561061412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252971 (or 252969 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 30561061412 its reverse (21416016503), we get a palindrome (51977077915).

The spelling of 30561061412 in words is "thirty billion, five hundred sixty-one million, sixty-one thousand, four hundred twelve".