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1223010432312 = 2331722937316301
BaseRepresentation
bin10001110011000001000…
…110100011010100111000
311022220210200220012000020
4101303001012203110320
5130014211132313222
62333502050010440
7154234224102354
oct21630106432470
94286720805006
101223010432312
114317485614a9
1217903b876a20
138b43888a426
14432a0570464
1521c2edab65c
hex11cc11a3538

1223010432312 has 192 divisors, whose sum is σ = 3369173464800. Its totient is φ = 369443020800.

The previous prime is 1223010432307. The next prime is 1223010432317. The reversal of 1223010432312 is 2132340103221.

It is an interprime number because it is at equal distance from previous prime (1223010432307) and next prime (1223010432317).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223010432317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75018562 + ... + 75034862.

Almost surely, 21223010432312 is an apocalyptic number.

1223010432312 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 1223010432312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1684586732400).

1223010432312 is an abundant number, since it is smaller than the sum of its proper divisors (2146163032488).

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

1223010432312 is a wasteful number, since it uses less digits than its factorization.

1223010432312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16746 (or 16725 counting only the distinct ones).

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

Adding to 1223010432312 its reverse (2132340103221), we get a palindrome (3355350535533).

The spelling of 1223010432312 in words is "one trillion, two hundred twenty-three billion, ten million, four hundred thirty-two thousand, three hundred twelve".