1233012011 has 48 divisors (see below), whose sum is σ = 1673959680. Its totient is φ = 879854400.

The previous prime is 1233012007. The next prime is 1233012041. The reversal of 1233012011 is 1102103321.

It is not a de Polignac number, because 1233012011 - 2² = 1233012007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233012041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1405505 + ... + 1406381.

It is an arithmetic number, because the mean of its divisors is an integer number (34874160).

Almost surely, 2^1233012011 is an apocalyptic number.

1233012011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1233012011 is a deficient number, since it is larger than the sum of its proper divisors (440947669).

1233012011 is a wasteful number, since it uses less digits than its factorization.

1233012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1233012011 is about 35114.2707599061. The cubic root of 1233012011 is about 1072.3151347936.

Adding to 1233012011 its reverse (1102103321), we get a palindrome (2335115332).

The spelling of 1233012011 in words is "one billion, two hundred thirty-three million, twelve thousand, eleven".