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12220012211201 = 463130720193661
BaseRepresentation
bin1011000111010011000101…
…1111001010110000000001
31121021012222122212110011022
42301310301133022300001
53100203041111224301
641553443543155225
72400603202652414
oct261646137126001
947235878773138
1012220012211201
113991529355523
1214543a1445b15
136a845aaa0842
14303647843b7b
15162d0d223d1b
hexb1d317cac01

12220012211201 has 8 divisors (see below), whose sum is σ = 12255775791744. Its totient is φ = 12184289021520.

The previous prime is 12220012211167. The next prime is 12220012211233. The reversal of 12220012211201 is 10211221002221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12220012211201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12220012211201.

It is not an unprimeable number, because it can be changed into a prime (12220012216201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9491690 + ... + 10701971.

It is an arithmetic number, because the mean of its divisors is an integer number (1531971973968).

Almost surely, 212220012211201 is an apocalyptic number.

It is an amenable number.

12220012211201 is a deficient number, since it is larger than the sum of its proper divisors (35763580543).

12220012211201 is a wasteful number, since it uses less digits than its factorization.

12220012211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20195431.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12220012211201 its reverse (10211221002221), we get a palindrome (22431233213422).

The spelling of 12220012211201 in words is "twelve trillion, two hundred twenty billion, twelve million, two hundred eleven thousand, two hundred one".

Divisors: 1 463 1307 605141 20193661 9349665043 26393114927 12220012211201