1203101322123 has 48 divisors (see below), whose sum is σ = 1752453269280. Its totient is φ = 733204749312.

The previous prime is 1203101322107. The next prime is 1203101322173. The reversal of 1203101322123 is 3212231013021.

It is not a de Polignac number, because 1203101322123 - 2⁴ = 1203101322107 is a prime.

It is a super-2 number, since 2×1203101322123² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1203101322123.

It is not an unprimeable number, because it can be changed into a prime (1203101322173) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55799461 + ... + 55821017.

It is an arithmetic number, because the mean of its divisors is an integer number (36509443110).

Almost surely, 2^{1203101322123} is an apocalyptic number.

1203101322123 is a deficient number, since it is larger than the sum of its proper divisors (549351947157).

1203101322123 is a wasteful number, since it uses less digits than its factorization.

1203101322123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23404 (or 23385 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1203101322123 its reverse (3212231013021), we get a palindrome (4415332335144).

The spelling of 1203101322123 in words is "one trillion, two hundred three billion, one hundred one million, three hundred twenty-two thousand, one hundred twenty-three".