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120211220203 = 666118047023
BaseRepresentation
bin110111111110100100…
…1011010011011101011
3102111021201121201010221
41233331021122123223
53432143033021303
6131120235350511
711453642340514
oct1577511323353
9374251551127
10120211220203
1146a88110a78
121b36a5b2437
13b449b9c739
145b65409a0b
1531d87c94bd
hex1bfd25a6eb

120211220203 has 4 divisors (see below), whose sum is σ = 120229273888. Its totient is φ = 120193166520.

The previous prime is 120211220149. The next prime is 120211220209. The reversal of 120211220203 is 302022112021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120211220203 - 225 = 120177665771 is a prime.

It is a super-4 number, since 4×1202112202034 (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120211220209) 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, 9016851 + ... + 9030172.

It is an arithmetic number, because the mean of its divisors is an integer number (30057318472).

Almost surely, 2120211220203 is an apocalyptic number.

120211220203 is a deficient number, since it is larger than the sum of its proper divisors (18053685).

120211220203 is an equidigital number, since it uses as much as digits as its factorization.

120211220203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18053684.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 120211220203 its reverse (302022112021), we get a palindrome (422233332224).

The spelling of 120211220203 in words is "one hundred twenty billion, two hundred eleven million, two hundred twenty thousand, two hundred three".

Divisors: 1 6661 18047023 120211220203