113421012 has 12 divisors (see below), whose sum is σ = 264649056. Its totient is φ = 37807000.

The previous prime is 113420999. The next prime is 113421019. The reversal of 113421012 is 210124311.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 113420982 and 113421000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113421019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4725864 + ... + 4725887.

It is an arithmetic number, because the mean of its divisors is an integer number (22054088).

Almost surely, 2^113421012 is an apocalyptic number.

113421012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113421012 is an abundant number, since it is smaller than the sum of its proper divisors (151228044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113421012 is a wasteful number, since it uses less digits than its factorization.

113421012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9451758 (or 9451756 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 113421012 is about 10649.9301406159. The cubic root of 113421012 is about 484.0584873427.

Adding to 113421012 its reverse (210124311), we get a palindrome (323545323).

The spelling of 113421012 in words is "one hundred thirteen million, four hundred twenty-one thousand, twelve".