1131133212000 has 288 divisors, whose sum is σ = 4379338008864. Its totient is φ = 274214016000.

The previous prime is 1131133211977. The next prime is 1131133212019. The reversal of 1131133212000 is 2123311311.

1131133212000 is a `hidden beast` number, since 1 + 1 + 311 + 332 + 1 + 20 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1032199 + ... + 1824198.

It is an arithmetic number, because the mean of its divisors is an integer number (15206034753).

Almost surely, 2^{1131133212000} is an apocalyptic number.

1131133212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131133212000 is an abundant number, since it is smaller than the sum of its proper divisors (3248204796864).

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

1131133212000 is a wasteful number, since it uses less digits than its factorization.

1131133212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856439 (or 2856418 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1131133212000 its reverse (2123311311), we get a palindrome (1133256523311).

The spelling of 1131133212000 in words is "one trillion, one hundred thirty-one billion, one hundred thirty-three million, two hundred twelve thousand".