1217141012 has 12 divisors (see below), whose sum is σ = 2130564576. Its totient is φ = 608408280.

The previous prime is 1217140987. The next prime is 1217141033. The reversal of 1217141012 is 2101417121.

It is a super-3 number, since 3×1217141012³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22814 + ... + 54357.

It is an arithmetic number, because the mean of its divisors is an integer number (177547048).

Almost surely, 2^1217141012 is an apocalyptic number.

It is an amenable number.

1217141012 is a deficient number, since it is larger than the sum of its proper divisors (913423564).

1217141012 is a wasteful number, since it uses less digits than its factorization.

1217141012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81118 (or 81116 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 1217141012 is about 34887.5480938400. The cubic root of 1217141012 is about 1067.6944014286.

Adding to 1217141012 its reverse (2101417121), we get a palindrome (3318558133).

The spelling of 1217141012 in words is "one billion, two hundred seventeen million, one hundred forty-one thousand, twelve".