1223012101140 has 72 divisors (see below), whose sum is σ = 3871099185408. Its totient is φ = 311956708800.

The previous prime is 1223012101133. The next prime is 1223012101177. The reversal of 1223012101140 is 411012103221.

1223012101140 is a `hidden beast` number, since 12 + 2 + 301 + 210 + 1 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147702636 + ... + 147710915.

It is an arithmetic number, because the mean of its divisors is an integer number (53765266464).

Almost surely, 2^{1223012101140} is an apocalyptic number.

1223012101140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223012101140 is an abundant number, since it is smaller than the sum of its proper divisors (2648087084268).

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

1223012101140 is a wasteful number, since it uses less digits than its factorization.

1223012101140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295413589 (or 295413584 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1223012101140 its reverse (411012103221), we get a palindrome (1634024204361).

The spelling of 1223012101140 in words is "one trillion, two hundred twenty-three billion, twelve million, one hundred one thousand, one hundred forty".