Search a number
-
+
121012112211202 = 2311951808261471
BaseRepresentation
bin11011100000111101010011…
…111101100011110100000010
3120212110122102011110112121101
4123200331103331203310002
5111330130301211224302
61105212110310045014
734326556644061252
oct3340752375436402
9525418364415541
10121012112211202
1135615a48622703
12116a4b5b64976a
13526a515b87994
1421c5035d83962
15decc09405287
hex6e0f53f63d02

121012112211202 has 8 divisors (see below), whose sum is σ = 187373593101312. Its totient is φ = 58554247844100.

The previous prime is 121012112211197. The next prime is 121012112211203. The reversal of 121012112211202 is 202112211210121.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 121012112211202.

It is not an unprimeable number, because it can be changed into a prime (121012112211203) 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, 975904130674 + ... + 975904130797.

It is an arithmetic number, because the mean of its divisors is an integer number (23421699137664).

Almost surely, 2121012112211202 is an apocalyptic number.

121012112211202 is a deficient number, since it is larger than the sum of its proper divisors (66361480890110).

121012112211202 is a wasteful number, since it uses less digits than its factorization.

121012112211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951808261504.

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

Adding to 121012112211202 its reverse (202112211210121), we get a palindrome (323124323421323).

The spelling of 121012112211202 in words is "one hundred twenty-one trillion, twelve billion, one hundred twelve million, two hundred eleven thousand, two hundred two".

Divisors: 1 2 31 62 1951808261471 3903616522942 60506056105601 121012112211202