1223212303101 has 16 divisors (see below), whose sum is σ = 1697078179584. Its totient is φ = 783065385024.

The previous prime is 1223212303091. The next prime is 1223212303111. The reversal of 1223212303101 is 1013032123221.

It is an interprime number because it is at equal distance from previous prime (1223212303091) and next prime (1223212303111).

It is not a de Polignac number, because 1223212303101 - 2⁶ = 1223212303037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223212303111) 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, 81834646 + ... + 81849591.

It is an arithmetic number, because the mean of its divisors is an integer number (106067386224).

Almost surely, 2^{1223212303101} is an apocalyptic number.

It is an amenable number.

1223212303101 is a deficient number, since it is larger than the sum of its proper divisors (473865876483).

1223212303101 is a wasteful number, since it uses less digits than its factorization.

1223212303101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163684340.

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

Adding to 1223212303101 its reverse (1013032123221), we get a palindrome (2236244426322).

The spelling of 1223212303101 in words is "one trillion, two hundred twenty-three billion, two hundred twelve million, three hundred three thousand, one hundred one".