1212233221030 has 64 divisors (see below), whose sum is σ = 2356260762240. Its totient is φ = 446377688064.

The previous prime is 1212233221013. The next prime is 1212233221057. The reversal of 1212233221030 is 301223322121.

It is a junction number, because it is equal to n+sod(n) for n = 1212233220992 and 1212233221010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77555256 + ... + 77570884.

It is an arithmetic number, because the mean of its divisors is an integer number (36816574410).

Almost surely, 2^{1212233221030} is an apocalyptic number.

1212233221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212233221030 is a deficient number, since it is larger than the sum of its proper divisors (1144027541210).

1212233221030 is a wasteful number, since it uses less digits than its factorization.

1212233221030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17233.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1212233221030 its reverse (301223322121), we get a palindrome (1513456543151).

The spelling of 1212233221030 in words is "one trillion, two hundred twelve billion, two hundred thirty-three million, two hundred twenty-one thousand, thirty".