1232021412 has 72 divisors (see below), whose sum is σ = 3224073216. Its totient is φ = 396373824.

The previous prime is 1232021407. The next prime is 1232021443. The reversal of 1232021412 is 2141202321.

It is a happy number.

1232021412 is a `hidden beast` number, since 1 + 232 + 0 + 21 + 412 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165523 + ... + 172805.

Almost surely, 2^1232021412 is an apocalyptic number.

1232021412 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 1232021412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612036608).

1232021412 is an abundant number, since it is smaller than the sum of its proper divisors (1992051804).

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

1232021412 is a wasteful number, since it uses less digits than its factorization.

1232021412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7457 (or 7452 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1232021412 is about 35100.1625637261. The cubic root of 1232021412 is about 1072.0278926896.

Adding to 1232021412 its reverse (2141202321), we get a palindrome (3373223733).

The spelling of 1232021412 in words is "one billion, two hundred thirty-two million, twenty-one thousand, four hundred twelve".