2012401503 has 60 divisors (see below), whose sum is σ = 3649915632. Its totient is φ = 1082211840.

The previous prime is 2012401499. The next prime is 2012401541. The reversal of 2012401503 is 3051042102.

It is not a de Polignac number, because 2012401503 - 2² = 2012401499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012405503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 157723 + ... + 170003.

Almost surely, 2^2012401503 is an apocalyptic number.

2012401503 is a deficient number, since it is larger than the sum of its proper divisors (1637514129).

2012401503 is a wasteful number, since it uses less digits than its factorization.

2012401503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12334 (or 12308 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2012401503 is about 44859.7982942411. The cubic root of 2012401503 is about 1262.5198382400.

Adding to 2012401503 its reverse (3051042102), we get a palindrome (5063443605).

The spelling of 2012401503 in words is "two billion, twelve million, four hundred one thousand, five hundred three".