12420201004 has 6 divisors (see below), whose sum is σ = 21735351764. Its totient is φ = 6210100500.

The previous prime is 12420200999. The next prime is 12420201007. The reversal of 12420201004 is 40010202421.

It is a super-2 number, since 2×12420201004² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12420201007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1552525122 + ... + 1552525129.

Almost surely, 2^12420201004 is an apocalyptic number.

It is an amenable number.

12420201004 is a deficient number, since it is larger than the sum of its proper divisors (9315150760).

12420201004 is a wasteful number, since it uses less digits than its factorization.

12420201004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105050255 (or 3105050253 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12420201004 its reverse (40010202421), we get a palindrome (52430403425).

The spelling of 12420201004 in words is "twelve billion, four hundred twenty million, two hundred one thousand, four".