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12122002121122 = 219319000055819
BaseRepresentation
bin1011000001100101111110…
…1000010110000110100010
31120220212000011121000011001
42300121133220112012202
53042101330020333442
641440434302542214
72360533340642515
oct260313750260642
946825004530131
1012122002121122
113953a041a5183
1214393a9b9796a
1369c13b6148ba
142dc9cabb2d7c
151604c3a572b7
hexb065fa161a2

12122002121122 has 8 divisors (see below), whose sum is σ = 19140003349200. Its totient is φ = 5742001004724.

The previous prime is 12122002121107. The next prime is 12122002121123. The reversal of 12122002121122 is 22112120022121.

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

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 12122002121122.

It is not an unprimeable number, because it can be changed into a prime (12122002121123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159500027872 + ... + 159500027947.

It is an arithmetic number, because the mean of its divisors is an integer number (2392500418650).

Almost surely, 212122002121122 is an apocalyptic number.

12122002121122 is a deficient number, since it is larger than the sum of its proper divisors (7018001228078).

12122002121122 is a wasteful number, since it uses less digits than its factorization.

12122002121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319000055840.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12122002121122 its reverse (22112120022121), we get a palindrome (34234122143243).

The spelling of 12122002121122 in words is "twelve trillion, one hundred twenty-two billion, two million, one hundred twenty-one thousand, one hundred twenty-two".

Divisors: 1 2 19 38 319000055819 638000111638 6061001060561 12122002121122