12421253213036 has 18 divisors (see below), whose sum is σ = 23091066745068. Its totient is φ = 5845295629120.

The previous prime is 12421253212993. The next prime is 12421253213107. The reversal of 12421253213036 is 63031235212421.

It is a super-3 number, since 3×12421253213036³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12421253212987 and 12421253213005.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5372513210 + ... + 5372515521.

Almost surely, 2^{12421253213036} is an apocalyptic number.

It is an amenable number.

12421253213036 is a deficient number, since it is larger than the sum of its proper divisors (10669813532032).

12421253213036 is a wasteful number, since it uses less digits than its factorization.

12421253213036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10745028769 (or 10745028750 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 12421253213036 its reverse (63031235212421), we get a palindrome (75452488425457).

The spelling of 12421253213036 in words is "twelve trillion, four hundred twenty-one billion, two hundred fifty-three million, two hundred thirteen thousand, thirty-six".