1322401215255 has 16 divisors (see below), whose sum is σ = 2131286049504. Its totient is φ = 700132613120.

The previous prime is 1322401215229. The next prime is 1322401215263. The reversal of 1322401215255 is 5525121042231.

It is not a de Polignac number, because 1322401215255 - 2¹⁰ = 1322401214231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321750066 + ... + 321754175.

It is an arithmetic number, because the mean of its divisors is an integer number (133205378094).

Almost surely, 2^{1322401215255} is an apocalyptic number.

1322401215255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1322401215255 is a deficient number, since it is larger than the sum of its proper divisors (808884834249).

1322401215255 is a wasteful number, since it uses less digits than its factorization.

1322401215255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643504386.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 1322401215255 its reverse (5525121042231), we get a palindrome (6847522257486).

The spelling of 1322401215255 in words is "one trillion, three hundred twenty-two billion, four hundred one million, two hundred fifteen thousand, two hundred fifty-five".