Search a number
-
+
1201222212007 is a prime number
BaseRepresentation
bin10001011110101110011…
…011000101100110100111
311020211120020111220122211
4101132232123011212213
5124140100341241012
62315500040504251
7152533256222236
oct21365633054647
94224506456584
101201222212007
11423487694064
1217497aa7b087
138937588838c
14421d499ab1d
15213a71626a7
hex117ae6c59a7

1201222212007 has 2 divisors, whose sum is σ = 1201222212008. Its totient is φ = 1201222212006.

The previous prime is 1201222211983. The next prime is 1201222212137. The reversal of 1201222212007 is 7002122221021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201222212007 - 239 = 651466398119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201222213007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600611106003 + 600611106004.

It is an arithmetic number, because the mean of its divisors is an integer number (600611106004).

Almost surely, 21201222212007 is an apocalyptic number.

1201222212007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201222212007 is an equidigital number, since it uses as much as digits as its factorization.

1201222212007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 1201222212007 its reverse (7002122221021), we get a palindrome (8203344433028).

The spelling of 1201222212007 in words is "one trillion, two hundred one billion, two hundred twenty-two million, two hundred twelve thousand, seven".