12220212202112 has 16 divisors (see below), whose sum is σ = 24344953996650. Its totient is φ = 6110106100992.

The previous prime is 12220212201973. The next prime is 12220212202193. The reversal of 12220212202112 is 21120221202221.

It can be written as a sum of positive squares in only one way, i.e., 12041066560576 + 179145641536 = 3470024^2 + 423256^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47735203787 + ... + 47735204042.

Almost surely, 2^{12220212202112} is an apocalyptic number.

It is an amenable number.

12220212202112 is a deficient number, since it is larger than the sum of its proper divisors (12124741794538).

12220212202112 is an frugal number, since it uses more digits than its factorization.

12220212202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95470407843 (or 95470407831 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12220212202112 its reverse (21120221202221), we get a palindrome (33340433404333).

The spelling of 12220212202112 in words is "twelve trillion, two hundred twenty billion, two hundred twelve million, two hundred two thousand, one hundred twelve".