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120002131213 = 1012694416877
BaseRepresentation
bin110111111000010101…
…1110011010100001101
3102110202011011212222021
41233300223303110031
53431231021144323
6131043410050141
711445523166566
oct1576053632415
9373664155867
10120002131213
1146990090358
121b310579951
13b415782443
145b4573d16d
1531c527705d
hex1bf0af350d

120002131213 has 8 divisors (see below), whose sum is σ = 121640820120. Its totient is φ = 118372276800.

The previous prime is 120002131211. The next prime is 120002131229. The reversal of 120002131213 is 312131200021.

It can be written as a sum of positive squares in 4 ways, for example, as 53385488809 + 66616642404 = 231053^2 + 258102^2 .

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 120002131213 - 21 = 120002131211 is a prime.

It is a super-2 number, since 2×1200021312132 (a number of 23 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 (120002131211) 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, 2181270 + ... + 2235607.

It is an arithmetic number, because the mean of its divisors is an integer number (15205102515).

Almost surely, 2120002131213 is an apocalyptic number.

It is an amenable number.

120002131213 is a deficient number, since it is larger than the sum of its proper divisors (1638688907).

120002131213 is a wasteful number, since it uses less digits than its factorization.

120002131213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417247.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 120002131213 its reverse (312131200021), we get a palindrome (432133331234).

The spelling of 120002131213 in words is "one hundred twenty billion, two million, one hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 101 269 27169 4416877 446104577 1188139913 120002131213