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12320202131132 = 227440007218969
BaseRepresentation
bin1011001101001000010101…
…0001011000011010111100
31121121210121001212201120112
42303102011101120122330
53103323233221144012
642111453413005152
72411051044143350
oct263220521303274
947553531781515
1012320202131132
113a1aa71a09245
12146b8a29237b8
136b4a36a4842c
1430842dbc1460
15165723e76122
hexb34854586bc

12320202131132 has 12 divisors (see below), whose sum is σ = 24640404262320. Its totient is φ = 5280086627616.

The previous prime is 12320202131131. The next prime is 12320202131177. The reversal of 12320202131132 is 23113120202321.

12320202131132 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12320202131098 and 12320202131107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320202131131) 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, 220003609457 + ... + 220003609512.

It is an arithmetic number, because the mean of its divisors is an integer number (2053367021860).

Almost surely, 212320202131132 is an apocalyptic number.

It is an amenable number.

12320202131132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12320202131132 is a wasteful number, since it uses less digits than its factorization.

12320202131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440007218980 (or 440007218978 counting only the distinct ones).

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

Adding to 12320202131132 its reverse (23113120202321), we get a palindrome (35433322333453).

The spelling of 12320202131132 in words is "twelve trillion, three hundred twenty billion, two hundred two million, one hundred thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 440007218969 880014437938 1760028875876 3080050532783 6160101065566 12320202131132