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1222021132332 = 223711131011975113
BaseRepresentation
bin10001110010000110001…
…000101011000000101100
311022211020202100112120020
4101302012020223000230
5130010144402213312
62333215545522140
7154200552145020
oct21620610530054
94284222315506
101222021132332
11431290086810
12178a044a3350
138b30b928620
144320900a380
1521bc30e078c
hex11c8622b02c

1222021132332 has 384 divisors, whose sum is σ = 3886721169408. Its totient is φ = 288562176000.

The previous prime is 1222021132313. The next prime is 1222021132333. The reversal of 1222021132332 is 2332311202221.

It is not an unprimeable number, because it can be changed into a prime (1222021132333) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 239000208 + ... + 239005320.

It is an arithmetic number, because the mean of its divisors is an integer number (10121669712).

Almost surely, 21222021132332 is an apocalyptic number.

1222021132332 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 1222021132332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1943360584704).

1222021132332 is an abundant number, since it is smaller than the sum of its proper divisors (2664700037076).

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

1222021132332 is a wasteful number, since it uses less digits than its factorization.

1222021132332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449 (or 5447 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1222021132332 its reverse (2332311202221), we get a palindrome (3554332334553).

The spelling of 1222021132332 in words is "one trillion, two hundred twenty-two billion, twenty-one million, one hundred thirty-two thousand, three hundred thirty-two".