1212103223030 has 96 divisors (see below), whose sum is σ = 2700797256000. Its totient is φ = 389166446592.

The previous prime is 1212103223017. The next prime is 1212103223041. The reversal of 1212103223030 is 303223012121.

It is a junction number, because it is equal to n+sod(n) for n = 1212103222993 and 1212103223011.

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, 1292066 + ... + 2023274.

It is an arithmetic number, because the mean of its divisors is an integer number (28133304750).

Almost surely, 2^{1212103223030} is an apocalyptic number.

1212103223030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212103223030 is an abundant number, since it is smaller than the sum of its proper divisors (1488694032970).

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

1212103223030 is a wasteful number, since it uses less digits than its factorization.

1212103223030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731446 (or 731439 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1212103223030 its reverse (303223012121), we get a palindrome (1515326235151).

The spelling of 1212103223030 in words is "one trillion, two hundred twelve billion, one hundred three million, two hundred twenty-three thousand, thirty".