Search a number
-
+
121232003223212 = 22737945943248657
BaseRepresentation
bin11011100100001010000110…
…011111001100111010101100
3120220020122222202012022221022
4123210022012133030322230
5111342231120311120322
61105501114033353312
734351503024614030
oct3344120637147254
9526218882168838
10121232003223212
11356a0227342602
121171b6a8708838
13528518a111c3b
1421d1935a9a1c0
15e037c8c67942
hex6e42867cceac

121232003223212 has 48 divisors (see below), whose sum is σ = 243110022274560. Its totient is φ = 51818147926272.

The previous prime is 121232003223211. The next prime is 121232003223251. The reversal of 121232003223212 is 212322300232121.

It is not an unprimeable number, because it can be changed into a prime (121232003223211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487422788 + ... + 487671444.

It is an arithmetic number, because the mean of its divisors is an integer number (5064792130720).

Almost surely, 2121232003223212 is an apocalyptic number.

It is an amenable number.

121232003223212 is an abundant number, since it is smaller than the sum of its proper divisors (121878019051348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121232003223212 is a wasteful number, since it uses less digits than its factorization.

121232003223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294990 (or 294988 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 121232003223212 its reverse (212322300232121), we get a palindrome (333554303455333).

The spelling of 121232003223212 in words is "one hundred twenty-one trillion, two hundred thirty-two billion, three million, two hundred twenty-three thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 379 758 1516 2653 5306 10612 45943 91886 183772 248657 321601 497314 643202 994628 1286404 1740599 3481198 6962396 17412397 34824794 69649588 94241003 121886779 188482006 243773558 376964012 487547116 659687021 1319374042 2638748084 11424048551 22848097102 45696194204 79968339857 159936679714 319873359428 4329714400829 8659428801658 17318857603316 30308000805803 60616001611606 121232003223212