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1302012123113 = 13242814124821
BaseRepresentation
bin10010111100100101111…
…110000101011111101001
311121110201110111220020102
4102330211332011133221
5132313010100414423
62434045222235145
7163032034304462
oct22744576053751
94543643456212
101302012123113
114621a899a059
12190409285ab5
1395a18c27830
14470368bbd69
1523d058cec28
hex12f25f857e9

1302012123113 has 8 divisors (see below), whose sum is σ = 1402224989256. Its totient is φ = 1201807555200.

The previous prime is 1302012123101. The next prime is 1302012123149. The reversal of 1302012123113 is 3113212102031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 500963852944 + 801048270169 = 707788^2 + 895013^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1302012123113 - 232 = 1297717155817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1302012123163) 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, 1746758 + ... + 2378063.

It is an arithmetic number, because the mean of its divisors is an integer number (175278123657).

Almost surely, 21302012123113 is an apocalyptic number.

1302012123113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1302012123113 is a deficient number, since it is larger than the sum of its proper divisors (100212866143).

1302012123113 is a wasteful number, since it uses less digits than its factorization.

1302012123113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4149115.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1302012123113 its reverse (3113212102031), we get a palindrome (4415224225144).

The spelling of 1302012123113 in words is "one trillion, three hundred two billion, twelve million, one hundred twenty-three thousand, one hundred thirteen".

Divisors: 1 13 24281 315653 4124821 53622673 100154778701 1302012123113