Search a number
-
+
121012101120212 = 2251691585266783
BaseRepresentation
bin11011100000111101010011…
…010011010000000011010100
3120212110122101101121001121222
4123200331103103100003110
5111330130240341321322
61105212105232225512
734326556450566101
oct3340752323200324
9525418341531558
10121012101120212
1135615a423378a5
12116a4b5799b298
13526a5137a3673
1421c50346d7aa8
15decc08463e42
hex6e0f534d00d4

121012101120212 has 12 divisors (see below), whose sum is σ = 211775274189696. Its totient is φ = 60504879923160.

The previous prime is 121012101120179. The next prime is 121012101120223. The reversal of 121012101120212 is 212021101210121.

It is a congruent number.

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, 292426628 + ... + 292840155.

It is an arithmetic number, because the mean of its divisors is an integer number (17647939515808).

Almost surely, 2121012101120212 is an apocalyptic number.

It is an amenable number.

121012101120212 is a deficient number, since it is larger than the sum of its proper divisors (90763173069484).

121012101120212 is a wasteful number, since it uses less digits than its factorization.

121012101120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585318478 (or 585318476 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121012101120212 its reverse (212021101210121), we get a palindrome (333033202330333).

The spelling of 121012101120212 in words is "one hundred twenty-one trillion, twelve billion, one hundred one million, one hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 51691 103382 206764 585266783 1170533566 2341067132 30253025280053 60506050560106 121012101120212