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12221050741707 = 310255939720391
BaseRepresentation
bin1011000111010110111101…
…1000110110001111001011
31121021022200001001021012010
42301311233120312033023
53100212202442213312
641554135002351003
72400641013221223
oct261655730661713
947238601037163
1012221050741707
113991a115a58a5
1214546311bb463
136a8594cab732
14303705741083
15162d6e4b693c
hexb1d6f6363cb

12221050741707 has 8 divisors (see below), whose sum is σ = 16294893614080. Its totient is φ = 8147287515240.

The previous prime is 12221050741663. The next prime is 12221050741777. The reversal of 12221050741707 is 70714705012221.

It is a happy number.

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

It is not a de Polignac number, because 12221050741707 - 232 = 12216755774411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221050741777) 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, 19552519 + ... + 20167872.

It is an arithmetic number, because the mean of its divisors is an integer number (2036861701760).

Almost surely, 212221050741707 is an apocalyptic number.

12221050741707 is a deficient number, since it is larger than the sum of its proper divisors (4073842872373).

12221050741707 is a wasteful number, since it uses less digits than its factorization.

12221050741707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39822953.

The product of its (nonzero) digits is 54880, while the sum is 39.

Adding to 12221050741707 its reverse (70714705012221), we get a palindrome (82935755753928).

The spelling of 12221050741707 in words is "twelve trillion, two hundred twenty-one billion, fifty million, seven hundred forty-one thousand, seven hundred seven".

Divisors: 1 3 102559 307677 39720391 119161173 4073683580569 12221050741707