1232016511 has 16 divisors (see below), whose sum is σ = 1359929088. Its totient is φ = 1106809600.

The previous prime is 1232016479. The next prime is 1232016553. The reversal of 1232016511 is 1156102321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1232016511 - 2⁵ = 1232016479 is a prime.

It is a super-2 number, since 2×1232016511² = 3035729366753226242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232086511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 590991 + ... + 593071.

It is an arithmetic number, because the mean of its divisors is an integer number (84995568).

Almost surely, 2^1232016511 is an apocalyptic number.

1232016511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1232016511 is a deficient number, since it is larger than the sum of its proper divisors (127912577).

1232016511 is a wasteful number, since it uses less digits than its factorization.

1232016511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1232016511 is about 35100.0927491652. The cubic root of 1232016511 is about 1072.0264711733.

Adding to 1232016511 its reverse (1156102321), we get a palindrome (2388118832).

The spelling of 1232016511 in words is "one billion, two hundred thirty-two million, sixteen thousand, five hundred eleven".