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123220012240401 = 31072711416468511
BaseRepresentation
bin11100000001000101100101…
…000011110000111000010001
3121011021201101111220010210220
4130001011211003300320101
5112122314041113143101
61114022254150143253
734645231525502406
oct3401054503607021
9534251344803726
10123220012240401
113629734a63053a
12119a0a44951b29
13539a79c34abbb
14225dc47bd82ad
15e3a37e1a6636
hex7011650f0e11

123220012240401 has 16 divisors (see below), whose sum is σ = 166440716034048. Its totient is φ = 81078657512400.

The previous prime is 123220012240361. The next prime is 123220012240417. The reversal of 123220012240401 is 104042210022321.

It is not a de Polignac number, because 123220012240401 - 227 = 123219878022673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123220017240401) 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, 708147265 + ... + 708321246.

It is an arithmetic number, because the mean of its divisors is an integer number (10402544752128).

Almost surely, 2123220012240401 is an apocalyptic number.

It is an amenable number.

123220012240401 is a deficient number, since it is larger than the sum of its proper divisors (43220703793647).

123220012240401 is a wasteful number, since it uses less digits than its factorization.

123220012240401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416468892.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 123220012240401 its reverse (104042210022321), we get a palindrome (227262222262722).

The spelling of 123220012240401 in words is "one hundred twenty-three trillion, two hundred twenty billion, twelve million, two hundred forty thousand, four hundred one".

Divisors: 1 3 107 271 321 813 28997 86991 1416468511 4249405533 151562130677 383862966481 454686392031 1151588899443 41073337413467 123220012240401