1223001203331 has 16 divisors (see below), whose sum is σ = 1673558772480. Its totient is φ = 794165598240.

The previous prime is 1223001203327. The next prime is 1223001203341. The reversal of 1223001203331 is 1333021003221.

It is not a de Polignac number, because 1223001203331 - 2² = 1223001203327 is a prime.

It is a super-2 number, since 2×1223001203331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1223001203298 and 1223001203307.

It is not an unprimeable number, because it can be changed into a prime (1223001203341) 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, 34571416 + ... + 34606773.

It is an arithmetic number, because the mean of its divisors is an integer number (104597423280).

Almost surely, 2^{1223001203331} is an apocalyptic number.

1223001203331 is a deficient number, since it is larger than the sum of its proper divisors (450557569149).

1223001203331 is an equidigital number, since it uses as much as digits as its factorization.

1223001203331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69178346.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1223001203331 its reverse (1333021003221), we get a palindrome (2556022206552).

The spelling of 1223001203331 in words is "one trillion, two hundred twenty-three billion, one million, two hundred three thousand, three hundred thirty-one".