36001272120 has 64 divisors (see below), whose sum is σ = 117822349440. Its totient is φ = 8727580800.

The previous prime is 36001272053. The next prime is 36001272137. The reversal of 36001272120 is 2127210063.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13635526 + ... + 13638165.

It is an arithmetic number, because the mean of its divisors is an integer number (1840974210).

Almost surely, 2^36001272120 is an apocalyptic number.

36001272120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36001272120 is an abundant number, since it is smaller than the sum of its proper divisors (81821077320).

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

36001272120 is a wasteful number, since it uses less digits than its factorization.

36001272120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27273716 (or 27273712 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 36001272120 its reverse (2127210063), we get a palindrome (38128482183).

The spelling of 36001272120 in words is "thirty-six billion, one million, two hundred seventy-two thousand, one hundred twenty".