1321422302420 has 24 divisors (see below), whose sum is σ = 3027258366048. Its totient is φ = 480517200800.

The previous prime is 1321422302393. The next prime is 1321422302449. The reversal of 1321422302420 is 242032241231.

It is a self number, because there is not a number n which added to its sum of digits gives 1321422302420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3003232286 + ... + 3003232725.

It is an arithmetic number, because the mean of its divisors is an integer number (126135765252).

Almost surely, 2^{1321422302420} is an apocalyptic number.

1321422302420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321422302420 is an abundant number, since it is smaller than the sum of its proper divisors (1705836063628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321422302420 is a wasteful number, since it uses less digits than its factorization.

1321422302420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6006465031 (or 6006465029 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1321422302420 its reverse (242032241231), we get a palindrome (1563454543651).

The spelling of 1321422302420 in words is "one trillion, three hundred twenty-one billion, four hundred twenty-two million, three hundred two thousand, four hundred twenty".