1211423032 has 16 divisors (see below), whose sum is σ = 2349743400. Its totient is φ = 584824800.

The previous prime is 1211423027. The next prime is 1211423063. The reversal of 1211423032 is 2303241121.

It is a happy number.

It is a super-3 number, since 3×1211423032³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 2610594 + ... + 2611057.

Almost surely, 2^1211423032 is an apocalyptic number.

It is an amenable number.

1211423032 is a deficient number, since it is larger than the sum of its proper divisors (1138320368).

1211423032 is a wasteful number, since it uses less digits than its factorization.

1211423032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5221686 (or 5221682 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1211423032 is about 34805.5028982487. The cubic root of 1211423032 is about 1066.0198103250.

Adding to 1211423032 its reverse (2303241121), we get a palindrome (3514664153).

The spelling of 1211423032 in words is "one billion, two hundred eleven million, four hundred twenty-three thousand, thirty-two".