12401012 has 12 divisors (see below), whose sum is σ = 23371236. Its totient is φ = 5723520.

The previous prime is 12400987. The next prime is 12401027. The reversal of 12401012 is 21010421.

It can be written as a sum of positive squares in 2 ways, for example, as 6990736 + 5410276 = 2644^2 + 2326^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12400984 and 12401002.

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, 119189 + ... + 119292.

It is an arithmetic number, because the mean of its divisors is an integer number (1947603).

Almost surely, 2^12401012 is an apocalyptic number.

It is an amenable number.

12401012 is a deficient number, since it is larger than the sum of its proper divisors (10970224).

12401012 is a wasteful number, since it uses less digits than its factorization.

12401012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238498 (or 238496 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 12401012 is about 3521.5070637442. The cubic root of 12401012 is about 231.4652019590.

Adding to 12401012 its reverse (21010421), we get a palindrome (33411433).

The spelling of 12401012 in words is "twelve million, four hundred one thousand, twelve".