Search a number
-
+
12453212551012 = 2216718642533759
BaseRepresentation
bin1011010100110111110101…
…0011110111011101100100
31122002111220210110010220221
42311031331103313131210
53113013134403113022
642252532111534124
72423500134102142
oct265157523673544
948074823403827
1012453212551012
113a71417915392
12149162382a344
136c44435121ac
14310a4b006592
15168e0b23acc7
hexb537d4f7764

12453212551012 has 12 divisors (see below), whose sum is σ = 21923619701760. Its totient is φ = 6189321207656.

The previous prime is 12453212551007. The next prime is 12453212551027. The reversal of 12453212551012 is 21015521235421.

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, 9321266212 + ... + 9321267547.

It is an arithmetic number, because the mean of its divisors is an integer number (1826968308480).

Almost surely, 212453212551012 is an apocalyptic number.

It is an amenable number.

12453212551012 is a deficient number, since it is larger than the sum of its proper divisors (9470407150748).

12453212551012 is a wasteful number, since it uses less digits than its factorization.

12453212551012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18642533930 (or 18642533928 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 12453212551012 its reverse (21015521235421), we get a palindrome (33468733786433).

The spelling of 12453212551012 in words is "twelve trillion, four hundred fifty-three billion, two hundred twelve million, five hundred fifty-one thousand, twelve".

Divisors: 1 2 4 167 334 668 18642533759 37285067518 74570135036 3113303137753 6226606275506 12453212551012