1211132011332 has 48 divisors (see below), whose sum is σ = 2835628332992. Its totient is φ = 402333402240.

The previous prime is 1211132011321. The next prime is 1211132011337. The reversal of 1211132011332 is 2331102311121.

It is a junction number, because it is equal to n+sod(n) for n = 1211132011299 and 1211132011308.

It is not an unprimeable number, because it can be changed into a prime (1211132011337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5236782 + ... + 5463162.

Almost surely, 2^{1211132011332} is an apocalyptic number.

1211132011332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1211132011332 is an abundant number, since it is smaller than the sum of its proper divisors (1624496321660).

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

1211132011332 is a wasteful number, since it uses less digits than its factorization.

1211132011332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227908 (or 227906 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1211132011332 its reverse (2331102311121), we get a palindrome (3542234322453).

The spelling of 1211132011332 in words is "one trillion, two hundred eleven billion, one hundred thirty-two million, eleven thousand, three hundred thirty-two".