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1222423101432 = 23321331229718341
BaseRepresentation
bin10001110010011110000…
…110000011111111111000
311022212021202201200111200
4101302132012003333320
5130012010303221212
62333323505254200
7154213532630421
oct21623606037770
94285252650450
101222423101432
11431476a77085
12178ab7034360
138b373ca9270
1443246564648
1521be85426dc
hex11c9e183ff8

1222423101432 has 192 divisors, whose sum is σ = 3682216661760. Its totient is φ = 363818649600.

The previous prime is 1222423101337. The next prime is 1222423101479. The reversal of 1222423101432 is 2341013242221.

1222423101432 is a `hidden beast` number, since 1 + 2 + 224 + 2 + 3 + 1 + 0 + 1 + 432 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1222423101396 and 1222423101405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66640582 + ... + 66658922.

It is an arithmetic number, because the mean of its divisors is an integer number (19178211780).

Almost surely, 21222423101432 is an apocalyptic number.

1222423101432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222423101432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1841108330880).

1222423101432 is an abundant number, since it is smaller than the sum of its proper divisors (2459793560328).

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

1222423101432 is a wasteful number, since it uses less digits than its factorization.

1222423101432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20694 (or 20687 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1222423101432 its reverse (2341013242221), we get a palindrome (3563436343653).

The spelling of 1222423101432 in words is "one trillion, two hundred twenty-two billion, four hundred twenty-three million, one hundred one thousand, four hundred thirty-two".