12120020322 has 16 divisors (see below), whose sum is σ = 24327553152. Its totient is φ = 4025421360.

The previous prime is 12120020287. The next prime is 12120020357. The reversal of 12120020322 is 22302002121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12120020287) and next prime (12120020357).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3644554 + ... + 3647877.

It is an arithmetic number, because the mean of its divisors is an integer number (1520472072).

Almost surely, 2^12120020322 is an apocalyptic number.

12120020322 is an abundant number, since it is smaller than the sum of its proper divisors (12207532830).

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

12120020322 is a wasteful number, since it uses less digits than its factorization.

12120020322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7292713.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12120020322 its reverse (22302002121), we get a palindrome (34422022443).

The spelling of 12120020322 in words is "twelve billion, one hundred twenty million, twenty thousand, three hundred twenty-two".