1211534332 has 6 divisors (see below), whose sum is σ = 2120185088. Its totient is φ = 605767164.

The previous prime is 1211534323. The next prime is 1211534371. The reversal of 1211534332 is 2334351121.

It is a happy number.

It is a super-2 number, since 2×1211534332² = 2935630875229372448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1211534297 and 1211534306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151441788 + ... + 151441795.

Almost surely, 2^1211534332 is an apocalyptic number.

It is an amenable number.

1211534332 is a deficient number, since it is larger than the sum of its proper divisors (908650756).

1211534332 is a wasteful number, since it uses less digits than its factorization.

1211534332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302883587 (or 302883585 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 1211534332 is about 34807.1017466264. The cubic root of 1211534332 is about 1066.0524563312.

Adding to 1211534332 its reverse (2334351121), we get a palindrome (3545885453).

The spelling of 1211534332 in words is "one billion, two hundred eleven million, five hundred thirty-four thousand, three hundred thirty-two".