1111421412 has 60 divisors (see below), whose sum is σ = 2932720560. Its totient is φ = 366999984.

The previous prime is 1111421411. The next prime is 1111421413. The reversal of 1111421412 is 2141241111.

1111421412 is a `hidden beast` number, since 111 + 142 + 1 + 412 = 666.

It is an interprime number because it is at equal distance from previous prime (1111421411) and next prime (1111421413).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1111421411) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18639 + ... + 50697.

It is an arithmetic number, because the mean of its divisors is an integer number (48878676).

Almost surely, 2^1111421412 is an apocalyptic number.

1111421412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111421412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1466360280).

1111421412 is an abundant number, since it is smaller than the sum of its proper divisors (1821299148).

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

1111421412 is a wasteful number, since it uses less digits than its factorization.

1111421412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32182 (or 32171 counting only the distinct ones).

The product of its digits is 64, while the sum is 18.

The square root of 1111421412 is about 33337.9875217446. The cubic root of 1111421412 is about 1035.8405773780.

Adding to 1111421412 its reverse (2141241111), we get a palindrome (3252662523).

The spelling of 1111421412 in words is "one billion, one hundred eleven million, four hundred twenty-one thousand, four hundred twelve".