1212143343230 has 32 divisors (see below), whose sum is σ = 2214528604704. Its totient is φ = 477597897216.

The previous prime is 1212143343223. The next prime is 1212143343241. The reversal of 1212143343230 is 323433412121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1212143343193 and 1212143343202.

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, 24143834 + ... + 24193986.

It is an arithmetic number, because the mean of its divisors is an integer number (69204018897).

Almost surely, 2^{1212143343230} is an apocalyptic number.

1212143343230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212143343230 is a deficient number, since it is larger than the sum of its proper divisors (1002385261474).

1212143343230 is a wasteful number, since it uses less digits than its factorization.

1212143343230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86300.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1212143343230 its reverse (323433412121), we get a palindrome (1535576755351).

The spelling of 1212143343230 in words is "one trillion, two hundred twelve billion, one hundred forty-three million, three hundred forty-three thousand, two hundred thirty".