13012291224 has 32 divisors (see below), whose sum is σ = 36145254000. Its totient is φ = 4337430336.

The previous prime is 13012291223. The next prime is 13012291241. The reversal of 13012291224 is 42219221031.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012291223) 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, 30120829 + ... + 30121260.

Almost surely, 2^13012291224 is an apocalyptic number.

It is an amenable number.

13012291224 is an abundant number, since it is smaller than the sum of its proper divisors (23132962776).

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

13012291224 is a wasteful number, since it uses less digits than its factorization.

13012291224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60242104 (or 60242094 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 13012291224 in words is "thirteen billion, twelve million, two hundred ninety-one thousand, two hundred twenty-four".