1211000244312 has 32 divisors (see below), whose sum is σ = 3028028670000. Its totient is φ = 403596340224.

The previous prime is 1211000244301. The next prime is 1211000244317. The reversal of 1211000244312 is 2134420001121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211000244317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4259937 + ... + 4535312.

Almost surely, 2^{1211000244312} is an apocalyptic number.

1211000244312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1211000244312 is an abundant number, since it is smaller than the sum of its proper divisors (1817028425688).

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

1211000244312 is a wasteful number, since it uses less digits than its factorization.

1211000244312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8800995 (or 8800991 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1211000244312 its reverse (2134420001121), we get a palindrome (3345420245433).

The spelling of 1211000244312 in words is "one trillion, two hundred eleven billion, two hundred forty-four thousand, three hundred twelve".