1232099011 has 16 divisors (see below), whose sum is σ = 1453310208. Its totient is φ = 1029780000.

The previous prime is 1232098991. The next prime is 1232099027. The reversal of 1232099011 is 1109902321.

It is a cyclic number.

It is not a de Polignac number, because 1232099011 - 2⁷ = 1232098883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232099111) 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, 18730 + ... + 53056.

It is an arithmetic number, because the mean of its divisors is an integer number (90831888).

Almost surely, 2^1232099011 is an apocalyptic number.

1232099011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1232099011 is a deficient number, since it is larger than the sum of its proper divisors (221211197).

1232099011 is a wasteful number, since it uses less digits than its factorization.

1232099011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34602.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 1232099011 is about 35101.2679400617. The cubic root of 1232099011 is about 1072.0503994808.

It can be divided in two parts, 12 and 32099011, that added together give a palindrome (32099023).

The spelling of 1232099011 in words is "one billion, two hundred thirty-two million, ninety-nine thousand, eleven".