11402020412 has 12 divisors (see below), whose sum is σ = 19959170280. Its totient is φ = 5699400336.

The previous prime is 11402020303. The next prime is 11402020447. The reversal of 11402020412 is 21402020411.

11402020412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386462 + ... + 414917.

It is an arithmetic number, because the mean of its divisors is an integer number (1663264190).

Almost surely, 2^11402020412 is an apocalyptic number.

It is an amenable number.

11402020412 is a deficient number, since it is larger than the sum of its proper divisors (8557149868).

11402020412 is a wasteful number, since it uses less digits than its factorization.

11402020412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804940 (or 804938 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11402020412 its reverse (21402020411), we get a palindrome (32804040823).

Subtracting 11402020412 from its reverse (21402020411), we obtain a palindrome (9999999999).

The spelling of 11402020412 in words is "eleven billion, four hundred two million, twenty thousand, four hundred twelve".