1212022030331 has 16 divisors (see below), whose sum is σ = 1416363079680. Its totient is φ = 1015533598560.

The previous prime is 1212022030309. The next prime is 1212022030361. The reversal of 1212022030331 is 1330302202121.

It is a cyclic number.

It is not a de Polignac number, because 1212022030331 - 2¹⁰ = 1212022029307 is a prime.

It is a super-2 number, since 2×1212022030331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212022030361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1973471 + ... + 2513688.

It is an arithmetic number, because the mean of its divisors is an integer number (88522692480).

Almost surely, 2^{1212022030331} is an apocalyptic number.

1212022030331 is a deficient number, since it is larger than the sum of its proper divisors (204341049349).

1212022030331 is an equidigital number, since it uses as much as digits as its factorization.

1212022030331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4488034.

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

Adding to 1212022030331 its reverse (1330302202121), we get a palindrome (2542324232452).

The spelling of 1212022030331 in words is "one trillion, two hundred twelve billion, twenty-two million, thirty thousand, three hundred thirty-one".