1212212223030 has 32 divisors (see below), whose sum is σ = 2911271215104. Its totient is φ = 323038606176.

The previous prime is 1212212223017. The next prime is 1212212223077. The reversal of 1212212223030 is 303222122121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1212212222988 and 1212212223006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13578934 + ... + 13667913.

It is an arithmetic number, because the mean of its divisors is an integer number (90977225472).

Almost surely, 2^{1212212223030} is an apocalyptic number.

1212212223030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212212223030 is an abundant number, since it is smaller than the sum of its proper divisors (1699058992074).

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

1212212223030 is a wasteful number, since it uses less digits than its factorization.

1212212223030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27248340.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1212212223030 its reverse (303222122121), we get a palindrome (1515434345151).

The spelling of 1212212223030 in words is "one trillion, two hundred twelve billion, two hundred twelve million, two hundred twenty-three thousand, thirty".