172319627012 has 24 divisors (see below), whose sum is σ = 332677107672. Its totient is φ = 77592326400.

The previous prime is 172319627009. The next prime is 172319627023. The reversal of 172319627012 is 210726913271.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6635776 + 172312991236 = 2576^2 + 415106^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40410539 + ... + 40414802.

It is an arithmetic number, because the mean of its divisors is an integer number (13861546153).

Almost surely, 2^172319627012 is an apocalyptic number.

It is an amenable number.

172319627012 is a deficient number, since it is larger than the sum of its proper divisors (160357480660).

172319627012 is a wasteful number, since it uses less digits than its factorization.

172319627012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80825399 (or 80825397 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The spelling of 172319627012 in words is "one hundred seventy-two billion, three hundred nineteen million, six hundred twenty-seven thousand, twelve".