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121122112010212 = 22154319624451071
BaseRepresentation
bin11011100010100011110000…
…011101011111011111100100
3120212212011100020111022021101
4123202203300131133133210
5111333431041133311322
61105334421411325444
734340532563663605
oct3342436035373744
9525764306438241
10121122112010212
1135658665645805
121170233a2b0884
1352779c6314251
1421ca4ad113dac
15e009e64ad327
hex6e28f075f7e4

121122112010212 has 12 divisors (see below), whose sum is σ = 212101067186176. Its totient is φ = 60521807099880.

The previous prime is 121122112010191. The next prime is 121122112010231. The reversal of 121122112010212 is 212010211221121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121122112010212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9812219364 + ... + 9812231707.

Almost surely, 2121122112010212 is an apocalyptic number.

It is an amenable number.

121122112010212 is a deficient number, since it is larger than the sum of its proper divisors (90978955175964).

121122112010212 is a wasteful number, since it uses less digits than its factorization.

121122112010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19624452618 (or 19624452616 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121122112010212 its reverse (212010211221121), we get a palindrome (333132323231333).

The spelling of 121122112010212 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred twelve million, ten thousand, two hundred twelve".

Divisors: 1 2 4 1543 3086 6172 19624451071 39248902142 78497804284 30280528002553 60561056005106 121122112010212