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1212022332131 = 13216791430057
BaseRepresentation
bin10001101000110010001…
…010010001101011100011
311021212102220211212020212
4101220302022101223203
5124324210204112011
62324443444524335
7153365020561022
oct21506212215343
94255386755225
101212022332131
1142801a011176
12176a939b06ab
138a3a726b2c0
144293b0ba8b9
15217da3bd08b
hex11a32291ae3

1212022332131 has 8 divisors (see below), whose sum is σ = 1305263875104. Its totient is φ = 1118782082880.

The previous prime is 1212022332113. The next prime is 1212022332161. The reversal of 1212022332131 is 1312332202121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1212022332131 is a prime.

It is a super-2 number, since 2×12120223321312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212022332097 and 1212022332106.

It is not an unprimeable number, because it can be changed into a prime (1212022332161) 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, 2603255 + ... + 3033311.

It is an arithmetic number, because the mean of its divisors is an integer number (163157984388).

Almost surely, 21212022332131 is an apocalyptic number.

1212022332131 is a deficient number, since it is larger than the sum of its proper divisors (93241542973).

1212022332131 is a wasteful number, since it uses less digits than its factorization.

1212022332131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646861.

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

Adding to 1212022332131 its reverse (1312332202121), we get a palindrome (2524354534252).

The spelling of 1212022332131 in words is "one trillion, two hundred twelve billion, twenty-two million, three hundred thirty-two thousand, one hundred thirty-one".

Divisors: 1 13 216791 430057 2818283 5590741 93232487087 1212022332131