1212012022230 has 24 divisors (see below), whose sum is σ = 3151231258032. Its totient is φ = 323203205904.

The previous prime is 1212012022223. The next prime is 1212012022337. The reversal of 1212012022230 is 322202102121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6733400034 + ... + 6733400213.

It is an arithmetic number, because the mean of its divisors is an integer number (131301302418).

Almost surely, 2^{1212012022230} is an apocalyptic number.

1212012022230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212012022230 is an abundant number, since it is smaller than the sum of its proper divisors (1939219235802).

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

1212012022230 is a wasteful number, since it uses less digits than its factorization.

1212012022230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13466800260 (or 13466800257 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1212012022230 its reverse (322202102121), we get a palindrome (1534214124351).

The spelling of 1212012022230 in words is "one trillion, two hundred twelve billion, twelve million, twenty-two thousand, two hundred thirty".