12003633406406 has 4 divisors (see below), whose sum is σ = 18005450109612. Its totient is φ = 6001816703202.

The previous prime is 12003633406363. The next prime is 12003633406447. The reversal of 12003633406406 is 60460433630021.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12003633406406² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12003633406406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000908351600 + ... + 3000908351603.

It is an arithmetic number, because the mean of its divisors is an integer number (4501362527403).

Almost surely, 2^{12003633406406} is an apocalyptic number.

12003633406406 is a deficient number, since it is larger than the sum of its proper divisors (6001816703206).

12003633406406 is an equidigital number, since it uses as much as digits as its factorization.

12003633406406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001816703205.

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 12003633406406 in words is "twelve trillion, three billion, six hundred thirty-three million, four hundred six thousand, four hundred six".