122203140223312 has 20 divisors (see below), whose sum is σ = 250696147958676. Its totient is φ = 57507360104960.

The previous prime is 122203140223309. The next prime is 122203140223327. The reversal of 122203140223312 is 213322041302221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 112607667528976 + 9595472694336 = 10611676^2 + 3097656^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224638125139 + ... + 224638125682.

Almost surely, 2^{122203140223312} is an apocalyptic number.

It is an amenable number.

122203140223312 is an abundant number, since it is smaller than the sum of its proper divisors (128493007735364).

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

122203140223312 is a wasteful number, since it uses less digits than its factorization.

122203140223312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449276250846 (or 449276250840 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 122203140223312 its reverse (213322041302221), we get a palindrome (335525181525533).

The spelling of 122203140223312 in words is "one hundred twenty-two trillion, two hundred three billion, one hundred forty million, two hundred twenty-three thousand, three hundred twelve".