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120020221201 = 2370918793917
BaseRepresentation
bin110111111000111000…
…0110011110100010001
3102110210102012221202211
41233301300303310101
53431300134034301
6131045253512121
711446133022226
oct1576160636421
9373712187684
10120020221201
114699a316661
121b316642641
13b41944738a
145b47ccb94d
1531c6b4c051
hex1bf1c33d11

120020221201 has 16 divisors (see below), whose sum is σ = 125513913600. Its totient is φ = 114549766848.

The previous prime is 120020221199. The next prime is 120020221219. The reversal of 120020221201 is 102122020021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120020221201 - 21 = 120020221199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120020221241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30638895 + ... + 30642811.

It is an arithmetic number, because the mean of its divisors is an integer number (7844619600).

Almost surely, 2120020221201 is an apocalyptic number.

It is an amenable number.

120020221201 is a deficient number, since it is larger than the sum of its proper divisors (5493692399).

120020221201 is a wasteful number, since it uses less digits than its factorization.

120020221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6528.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120020221201 its reverse (102122020021), we get a palindrome (222142241222).

The spelling of 120020221201 in words is "one hundred twenty billion, twenty million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 23 709 1879 3917 16307 43217 90091 1332211 2777153 7360043 30640853 63874519 169280989 5218270487 120020221201