1133211012 has 48 divisors (see below), whose sum is σ = 2790184320. Its totient is φ = 357246208.

The previous prime is 1133210959. The next prime is 1133211029. The reversal of 1133211012 is 2101123311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1133210982 and 1133211000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1498 + ... + 47630.

It is an arithmetic number, because the mean of its divisors is an integer number (58128840).

Almost surely, 2^1133211012 is an apocalyptic number.

1133211012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1133211012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1395092160).

1133211012 is an abundant number, since it is smaller than the sum of its proper divisors (1656973308).

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

1133211012 is a wasteful number, since it uses less digits than its factorization.

1133211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46252 (or 46250 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1133211012 is about 33663.1996696690. The cubic root of 1133211012 is about 1042.5660905026.

Adding to 1133211012 its reverse (2101123311), we get a palindrome (3234334323).

The spelling of 1133211012 in words is "one billion, one hundred thirty-three million, two hundred eleven thousand, twelve".