123201211301 has 16 divisors (see below), whose sum is σ = 148429094400. Its totient is φ = 99896539248.

The previous prime is 123201211291. The next prime is 123201211303. The reversal of 123201211301 is 103112102321.

It is not a de Polignac number, because 123201211301 - 2¹⁴ = 123201194917 is a prime.

It is a super-2 number, since 2×123201211301² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123201211301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123201211303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587291 + ... + 768968.

It is an arithmetic number, because the mean of its divisors is an integer number (9276818400).

Almost surely, 2^123201211301 is an apocalyptic number.

It is an amenable number.

123201211301 is a deficient number, since it is larger than the sum of its proper divisors (25227883099).

123201211301 is a wasteful number, since it uses less digits than its factorization.

123201211301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356968.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 123201211301 its reverse (103112102321), we get a palindrome (226313313622).

The spelling of 123201211301 in words is "one hundred twenty-three billion, two hundred one million, two hundred eleven thousand, three hundred one".