1320011412 has 24 divisors (see below), whose sum is σ = 3099649056. Its totient is φ = 437200608.

The previous prime is 1320011411. The next prime is 1320011417. The reversal of 1320011412 is 2141100231.

It is a junction number, because it is equal to n+sod(n) for n = 1320011391 and 1320011400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320011411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348438 + ... + 352205.

It is an arithmetic number, because the mean of its divisors is an integer number (129152044).

Almost surely, 2^1320011412 is an apocalyptic number.

1320011412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320011412 is an abundant number, since it is smaller than the sum of its proper divisors (1779637644).

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

1320011412 is a wasteful number, since it uses less digits than its factorization.

1320011412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700807 (or 700805 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1320011412 is about 36331.9613013115. The cubic root of 1320011412 is about 1096.9644717205.

Adding to 1320011412 its reverse (2141100231), we get a palindrome (3461111643).

The spelling of 1320011412 in words is "one billion, three hundred twenty million, eleven thousand, four hundred twelve".