1211032321230 has 16 divisors (see below), whose sum is σ = 2906477571024. Its totient is φ = 322941952320.

The previous prime is 1211032321217. The next prime is 1211032321361. The reversal of 1211032321230 is 321232301121.

It is a junction number, because it is equal to n+sod(n) for n = 1211032321197 and 1211032321206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20183871991 + ... + 20183872050.

It is an arithmetic number, because the mean of its divisors is an integer number (181654848189).

Almost surely, 2^{1211032321230} is an apocalyptic number.

1211032321230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211032321230 is an abundant number, since it is smaller than the sum of its proper divisors (1695445249794).

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

1211032321230 is a wasteful number, since it uses less digits than its factorization.

1211032321230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40367744051.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1211032321230 its reverse (321232301121), we get a palindrome (1532264622351).

The spelling of 1211032321230 in words is "one trillion, two hundred eleven billion, thirty-two million, three hundred twenty-one thousand, two hundred thirty".