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212123201020223 = 2999316632233879
BaseRepresentation
bin110000001110110011001000…
…000010111010000100111111
31000211001210001121011110002212
4300032303020002322010333
5210300411303430121343
62031052015301011035
762452252444612103
oct6016631002720477
91024053047143085
10212123201020223
1161652a42a32129
121b95aa929b3a7b
1391491940a0b1c
143a54b63b1b903
15197cc27eb5c18
hexc0ecc80ba13f

212123201020223 has 8 divisors (see below), whose sum is σ = 212200728960000. Its totient is φ = 212045677617528.

The previous prime is 212123201020207. The next prime is 212123201020243. The reversal of 212123201020223 is 322020102321212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 212123201020223 - 24 = 212123201020207 is a prime.

It is a super-2 number, since 2×2121232010202232 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212123201020243) 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, 93840398 + ... + 96074276.

It is an arithmetic number, because the mean of its divisors is an integer number (26525091120000).

Almost surely, 2212123201020223 is an apocalyptic number.

212123201020223 is a deficient number, since it is larger than the sum of its proper divisors (77527939777).

212123201020223 is a wasteful number, since it uses less digits than its factorization.

212123201020223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268541.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 212123201020223 its reverse (322020102321212), we get a palindrome (534143303341435).

The spelling of 212123201020223 in words is "two hundred twelve trillion, one hundred twenty-three billion, two hundred one million, twenty thousand, two hundred twenty-three".

Divisors: 1 2999 31663 2233879 94957337 6699403121 70731310777 212123201020223