1712121712 has 40 divisors (see below), whose sum is σ = 3879303296. Its totient is φ = 716700096.

The previous prime is 1712121707. The next prime is 1712121727. The reversal of 1712121712 is 2171212171.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 172938 + ... + 182569.

Almost surely, 2^1712121712 is an apocalyptic number.

It is an amenable number.

1712121712 is an abundant number, since it is smaller than the sum of its proper divisors (2167181584).

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

1712121712 is a wasteful number, since it uses less digits than its factorization.

1712121712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355565 (or 355559 counting only the distinct ones).

The product of its digits is 392, while the sum is 25.

The square root of 1712121712 is about 41377.7924979088. The cubic root of 1712121712 is about 1196.3131546136.

Adding to 1712121712 its reverse (2171212171), we get a palindrome (3883333883).

The spelling of 1712121712 in words is "one billion, seven hundred twelve million, one hundred twenty-one thousand, seven hundred twelve".