180190019012 has 6 divisors (see below), whose sum is σ = 315332533278. Its totient is φ = 90095009504.

The previous prime is 180190018991. The next prime is 180190019017. The reversal of 180190019012 is 210910091081.

It can be written as a sum of positive squares in only one way, i.e., 148713581956 + 31476437056 = 385634^2 + 177416^2 .

It is a super-2 number, since 2×180190019012² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 180190019012.

It is not an unprimeable number, because it can be changed into a prime (180190019017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22523752373 + ... + 22523752380.

It is an arithmetic number, because the mean of its divisors is an integer number (52555422213).

Almost surely, 2^180190019012 is an apocalyptic number.

It is an amenable number.

180190019012 is a deficient number, since it is larger than the sum of its proper divisors (135142514266).

180190019012 is a wasteful number, since it uses less digits than its factorization.

180190019012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45047504757 (or 45047504755 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 180190019012 in words is "one hundred eighty billion, one hundred ninety million, nineteen thousand, twelve".