1211052432 has 40 divisors (see below), whose sum is σ = 3135366784. Its totient is φ = 402804864.

The previous prime is 1211052421. The next prime is 1211052433. The reversal of 1211052432 is 2342501121.

It is a super-2 number, since 2×1211052432² = 2933295986106229248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1211052399 and 1211052408.

It is not an unprimeable number, because it can be changed into a prime (1211052433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5023 + ... + 49470.

Almost surely, 2^1211052432 is an apocalyptic number.

1211052432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1211052432 is an abundant number, since it is smaller than the sum of its proper divisors (1924314352).

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

1211052432 is a wasteful number, since it uses less digits than its factorization.

1211052432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54967 (or 54961 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1211052432 is about 34800.1786202312. The cubic root of 1211052432 is about 1065.9110932144.

Adding to 1211052432 its reverse (2342501121), we get a palindrome (3553553553).

The spelling of 1211052432 in words is "one billion, two hundred eleven million, fifty-two thousand, four hundred thirty-two".