1201422104520 has 64 divisors (see below), whose sum is σ = 3931926891840. Its totient is φ = 291253843200.

The previous prime is 1201422104507. The next prime is 1201422104521. The reversal of 1201422104520 is 254012241021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1201422104521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455082811 + ... + 455085450.

It is an arithmetic number, because the mean of its divisors is an integer number (61436357685).

Almost surely, 2^{1201422104520} is an apocalyptic number.

1201422104520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201422104520 is an abundant number, since it is smaller than the sum of its proper divisors (2730504787320).

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

1201422104520 is a wasteful number, since it uses less digits than its factorization.

1201422104520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910168286 (or 910168282 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 1201422104520 its reverse (254012241021), we get a palindrome (1455434345541).

The spelling of 1201422104520 in words is "one trillion, two hundred one billion, four hundred twenty-two million, one hundred four thousand, five hundred twenty".