1211434332 has 12 divisors (see below), whose sum is σ = 2826680136. Its totient is φ = 403811440.

The previous prime is 1211434327. The next prime is 1211434333. The reversal of 1211434332 is 2334341121.

It is a happy number.

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

It is a super-3 number, since 3×1211434332³ (a number of 28 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211434333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50476419 + ... + 50476442.

It is an arithmetic number, because the mean of its divisors is an integer number (235556678).

Almost surely, 2^1211434332 is an apocalyptic number.

1211434332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1211434332 is an abundant number, since it is smaller than the sum of its proper divisors (1615245804).

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

1211434332 is a wasteful number, since it uses less digits than its factorization.

1211434332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100952868 (or 100952866 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 1211434332 is about 34805.6652285228. The cubic root of 1211434332 is about 1066.0231248804.

Adding to 1211434332 its reverse (2334341121), we get a palindrome (3545775453).

The spelling of 1211434332 in words is "one billion, two hundred eleven million, four hundred thirty-four thousand, three hundred thirty-two".