12420103202 has 16 divisors (see below), whose sum is σ = 21243435192. Its totient is φ = 5395157760.

The previous prime is 12420103193. The next prime is 12420103211. The reversal of 12420103202 is 20230102421.

It is an interprime number because it is at equal distance from previous prime (12420103193) and next prime (12420103211).

It can be written as a sum of positive squares in 4 ways, for example, as 8791125121 + 3628978081 = 93761^2 + 60241^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14049449 + ... + 14050332.

Almost surely, 2^12420103202 is an apocalyptic number.

12420103202 is a deficient number, since it is larger than the sum of its proper divisors (8823331990).

12420103202 is a wasteful number, since it uses less digits than its factorization.

12420103202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28099813.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12420103202 its reverse (20230102421), we get a palindrome (32650205623).

The spelling of 12420103202 in words is "twelve billion, four hundred twenty million, one hundred three thousand, two hundred two".