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122301212320013 = 458981266462473
BaseRepresentation
bin11011110011101101111000…
…010100001110000100001101
3121001000212210202202011001212
4123303231320110032010031
5112012240340323220023
61112040222403144205
734521654024154346
oct3363557024160415
9531025722664055
10122301212320013
1135a7271aa72261
1211872964675065
135331c54a0895c
14222b5a5a7b0cd
15e21506462e78
hex6f3b7850e10d

122301212320013 has 4 divisors (see below), whose sum is σ = 122301479241468. Its totient is φ = 122300945398560.

The previous prime is 122301212319967. The next prime is 122301212320031. The reversal of 122301212320013 is 310023212103221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49744837212004 + 72556375108009 = 7053002^2 + 8518003^2 .

It is a cyclic number.

It is not a de Polignac number, because 122301212320013 - 216 = 122301212254477 is a prime.

It is a super-2 number, since 2×1223012123200132 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122301212320073) 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, 132772256 + ... + 133690217.

It is an arithmetic number, because the mean of its divisors is an integer number (30575369810367).

Almost surely, 2122301212320013 is an apocalyptic number.

It is an amenable number.

122301212320013 is a deficient number, since it is larger than the sum of its proper divisors (266921455).

122301212320013 is an equidigital number, since it uses as much as digits as its factorization.

122301212320013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266921454.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 122301212320013 its reverse (310023212103221), we get a palindrome (432324424423234).

The spelling of 122301212320013 in words is "one hundred twenty-two trillion, three hundred one billion, two hundred twelve million, three hundred twenty thousand, thirteen".

Divisors: 1 458981 266462473 122301212320013