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12212532419 = 107165768881
BaseRepresentation
bin10110101111110110…
…00111010011000011
31011112010000221000112
423113323013103003
5200002402014134
65335500541535
7611431545533
oct132773072303
934463027015
1012212532419
1151a77243aa
122449b518ab
1311c81b9259
1483bd434c3
154b72531ce
hex2d7ec74c3

12212532419 has 8 divisors (see below), whose sum is σ = 12334286448. Its totient is φ = 12090919680.

The previous prime is 12212532413. The next prime is 12212532421. The reversal of 12212532419 is 91423521221.

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-12212532419 is a prime.

It is a super-2 number, since 2×122125324192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212532413) 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, 142859 + ... + 211739.

It is an arithmetic number, because the mean of its divisors is an integer number (1541785806).

Almost surely, 212212532419 is an apocalyptic number.

12212532419 is a deficient number, since it is larger than the sum of its proper divisors (121754029).

12212532419 is a wasteful number, since it uses less digits than its factorization.

12212532419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70645.

The product of its digits is 8640, while the sum is 32.

The spelling of 12212532419 in words is "twelve billion, two hundred twelve million, five hundred thirty-two thousand, four hundred nineteen".

Divisors: 1 107 1657 68881 177299 7370267 114135817 12212532419