1230211000312 has 64 divisors (see below), whose sum is σ = 2652984069120. Its totient is φ = 523872223488.

The previous prime is 1230211000273. The next prime is 1230211000313. The reversal of 1230211000312 is 2130001120321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230211000313) 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, 25347733 + ... + 25396219.

It is an arithmetic number, because the mean of its divisors is an integer number (41452876080).

Almost surely, 2^{1230211000312} is an apocalyptic number.

It is an amenable number.

1230211000312 is an abundant number, since it is smaller than the sum of its proper divisors (1422773068808).

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

1230211000312 is a wasteful number, since it uses less digits than its factorization.

1230211000312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51380 (or 51376 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1230211000312 its reverse (2130001120321), we get a palindrome (3360212120633).

The spelling of 1230211000312 in words is "one trillion, two hundred thirty billion, two hundred eleven million, three hundred twelve", and thus it is an aban number.