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120012022001 = 791519139519
BaseRepresentation
bin110111111000101000…
…1100010000011110001
3102110202211210101120202
41233301101202003301
53431241034201001
6131044402044545
711446003232654
oct1576121420361
9373684711522
10120012022001
1146995726463
121b313949755
13b417836391
145b46b9589b
1531c607c96b
hex1bf14620f1

120012022001 has 4 divisors (see below), whose sum is σ = 121531161600. Its totient is φ = 118492882404.

The previous prime is 120012021947. The next prime is 120012022027. The reversal of 120012022001 is 100220210021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100220210021 = 868571153853.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120012022001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120012022601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759569681 + ... + 759569838.

It is an arithmetic number, because the mean of its divisors is an integer number (30382790400).

Almost surely, 2120012022001 is an apocalyptic number.

It is an amenable number.

120012022001 is a deficient number, since it is larger than the sum of its proper divisors (1519139599).

120012022001 is an equidigital number, since it uses as much as digits as its factorization.

120012022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519139598.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120012022001 its reverse (100220210021), we get a palindrome (220232232022).

The spelling of 120012022001 in words is "one hundred twenty billion, twelve million, twenty-two thousand, one".

Divisors: 1 79 1519139519 120012022001