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121230333212013 = 3213470037023557
BaseRepresentation
bin11011100100001000100010…
…111100100111010101101101
3120220020111200100202222020200
4123210020202330213111231
5111342214210300241023
61105500240215304113
734351413446012514
oct3344104274472555
9526214610688220
10121230333212013
113569a54a6a2463
121171b30137b039
135284c8213552c
1421d1817d7d67b
15e0372c339743
hex6e4222f2756d

121230333212013 has 6 divisors (see below), whose sum is σ = 175110481306254. Its totient is φ = 80820222141336.

The previous prime is 121230333212011. The next prime is 121230333212033. The reversal of 121230333212013 is 310212333032121.

121230333212013 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 303 + 3 + 321 + 20 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 120597229732329 + 633103479684 = 10981677^2 + 795678^2 .

It is not a de Polignac number, because 121230333212013 - 21 = 121230333212011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121230333212011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6735018511770 + ... + 6735018511787.

It is an arithmetic number, because the mean of its divisors is an integer number (29185080217709).

Almost surely, 2121230333212013 is an apocalyptic number.

It is an amenable number.

121230333212013 is a deficient number, since it is larger than the sum of its proper divisors (53880148094241).

121230333212013 is a wasteful number, since it uses less digits than its factorization.

121230333212013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13470037023563 (or 13470037023560 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 121230333212013 its reverse (310212333032121), we get a palindrome (431442666244134).

The spelling of 121230333212013 in words is "one hundred twenty-one trillion, two hundred thirty billion, three hundred thirty-three million, two hundred twelve thousand, thirteen".

Divisors: 1 3 9 13470037023557 40410111070671 121230333212013