1201473182520 has 1024 divisors, whose sum is σ = 4500873216000. Its totient is φ = 283262386176.

The previous prime is 1201473182501. The next prime is 1201473182551. The reversal of 1201473182520 is 252813741021.

1201473182520 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 473 + 182 + 5 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 255 ways as a sum of consecutive naturals, for example, 9460418697 + ... + 9460418823.

It is an arithmetic number, because the mean of its divisors is an integer number (4395384000).

Almost surely, 2^{1201473182520} is an apocalyptic number.

1201473182520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201473182520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2250436608000).

1201473182520 is an abundant number, since it is smaller than the sum of its proper divisors (3299400033480).

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

1201473182520 is a wasteful number, since it uses less digits than its factorization.

1201473182520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 1201473182520 in words is "one trillion, two hundred one billion, four hundred seventy-three million, one hundred eighty-two thousand, five hundred twenty".