1121230002000 has 160 divisors (see below), whose sum is σ = 3827483846784. Its totient is φ = 281406720000.

The previous prime is 1121230001977. The next prime is 1121230002007. The reversal of 1121230002000 is 2000321211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121230002007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5394226 + ... + 5598225.

Almost surely, 2^{1121230002000} is an apocalyptic number.

1121230002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121230002000 is an abundant number, since it is smaller than the sum of its proper divisors (2706253844784).

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

1121230002000 is a wasteful number, since it uses less digits than its factorization.

1121230002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10992494 (or 10992478 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1121230002000 its reverse (2000321211), we get a palindrome (1123230323211).

The spelling of 1121230002000 in words is "one trillion, one hundred twenty-one billion, two hundred thirty million, two thousand".