Search a number
-
+
1220120020219 is a prime number
BaseRepresentation
bin10001110000010100110…
…100100000010011111011
311022122100021002001000111
4101300110310200103323
5124442301211121334
62332303154245151
7154102466024062
oct21602464402373
94278307061014
101220120020219
114304a4a41081
121785738867b7
138b097ac5809
14430a87331d9
1521b11263064
hex11c14d204fb

1220120020219 has 2 divisors, whose sum is σ = 1220120020220. Its totient is φ = 1220120020218.

The previous prime is 1220120020169. The next prime is 1220120020241. The reversal of 1220120020219 is 9120200210221.

It is an a-pointer prime, because the next prime (1220120020241) can be obtained adding 1220120020219 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1220120020219 is a prime.

It is a super-2 number, since 2×12201200202192 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1220120020219.

It is not a weakly prime, because it can be changed into another prime (1220120023219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610060010109 + 610060010110.

It is an arithmetic number, because the mean of its divisors is an integer number (610060010110).

Almost surely, 21220120020219 is an apocalyptic number.

1220120020219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220120020219 is an equidigital number, since it uses as much as digits as its factorization.

1220120020219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 1220120020219 in words is "one trillion, two hundred twenty billion, one hundred twenty million, twenty thousand, two hundred nineteen".