Search a number
-
+
121212020444214 = 23717041169356287
BaseRepresentation
bin11011100011110111011111…
…011010111100110000110110
3120220011202102010001222110110
4123203313133122330300312
5111341414204213203324
61105444011121203450
734350164602033110
oct3343673732746066
9526152363058413
10121212020444214
1135692802605a17
1211717850490586
13528332418685b
1421d099bbb83b0
15e0300979e329
hex6e3ddf6bcc36

121212020444214 has 32 divisors (see below), whose sum is σ = 277072306569216. Its totient is φ = 34629973361280.

The previous prime is 121212020444147. The next prime is 121212020444257. The reversal of 121212020444214 is 412444020212121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83962422 + ... + 85393865.

It is an arithmetic number, because the mean of its divisors is an integer number (8658509580288).

Almost surely, 2121212020444214 is an apocalyptic number.

121212020444214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121212020444214 is an abundant number, since it is smaller than the sum of its proper divisors (155860286125002).

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

121212020444214 is a wasteful number, since it uses less digits than its factorization.

121212020444214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169373340.

The product of its (nonzero) digits is 8192, while the sum is 30.

Adding to 121212020444214 its reverse (412444020212121), we get a palindrome (533656040656335).

The spelling of 121212020444214 in words is "one hundred twenty-one trillion, two hundred twelve billion, twenty million, four hundred forty-four thousand, two hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 17041 34082 51123 102246 119287 238574 357861 715722 169356287 338712574 508068861 1016137722 1185494009 2370988018 3556482027 7112964054 2886000486767 5772000973534 8658001460301 17316002920602 20202003407369 40404006814738 60606010222107 121212020444214