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121213334 = 2117997719
BaseRepresentation
bin1110011100110…
…01000110010110
322110002021102202
413032121012112
5222012311314
620010004502
73001203434
oct716310626
9273067382
10121213334
1162470410
1234716732
131c160288
1412153d54
15a9950de
hex7399196

121213334 has 32 divisors (see below), whose sum is σ = 203212800. Its totient is φ = 53763840.

The previous prime is 121213333. The next prime is 121213397. The reversal of 121213334 is 433312121.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121213333) 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, 168227 + ... + 168945.

It is an arithmetic number, because the mean of its divisors is an integer number (6350400).

Almost surely, 2121213334 is an apocalyptic number.

121213334 is a deficient number, since it is larger than the sum of its proper divisors (81999466).

121213334 is a wasteful number, since it uses less digits than its factorization.

121213334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908.

The product of its digits is 432, while the sum is 20.

The square root of 121213334 is about 11009.6927295906. The cubic root of 121213334 is about 494.8992537204.

Adding to 121213334 its reverse (433312121), we get a palindrome (554525455).

The spelling of 121213334 in words is "one hundred twenty-one million, two hundred thirteen thousand, three hundred thirty-four".

Divisors: 1 2 11 22 79 97 158 194 719 869 1067 1438 1738 2134 7663 7909 15326 15818 56801 69743 84293 113602 139486 168586 624811 767173 1249622 1534346 5509697 11019394 60606667 121213334