Search a number
-
+
1201012120012 = 223161703156971
BaseRepresentation
bin10001011110100001111…
…001101001100111001100
311020211000121012010121211
4101132201321221213030
5124134133100320022
62315423133504204
7152525125403155
oct21364171514714
94224017163554
101201012120012
1142338a038911
12174920642064
13893411a96a3
14421b4b0c92c
15213939b2e77
hex117a1e699cc

1201012120012 has 24 divisors (see below), whose sum is σ = 2169619264512. Its totient is φ = 581121776400.

The previous prime is 1201012119997. The next prime is 1201012120031. The reversal of 1201012120012 is 2100212101021.

It is a super-2 number, since 2×12010121200122 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201012119974 and 1201012120001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7572687 + ... + 7729657.

It is an arithmetic number, because the mean of its divisors is an integer number (90400802688).

Almost surely, 21201012120012 is an apocalyptic number.

It is an amenable number.

1201012120012 is a deficient number, since it is larger than the sum of its proper divisors (968607144500).

1201012120012 is a wasteful number, since it uses less digits than its factorization.

1201012120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218709 (or 218707 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1201012120012 its reverse (2100212101021), we get a palindrome (3301224221033).

The spelling of 1201012120012 in words is "one trillion, two hundred one billion, twelve million, one hundred twenty thousand, twelve".

Divisors: 1 2 4 31 62 124 61703 123406 156971 246812 313942 627884 1912793 3825586 4866101 7651172 9732202 19464404 9685581613 19371163226 38742326452 300253030003 600506060006 1201012120012