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121012012210012 = 22711392896143539
BaseRepresentation
bin11011100000111101001110…
…000000000101011101011100
3120212110122011012021221202121
4123200331032000011131130
5111330130100111210022
61105212052334432324
734326554321062510
oct3340751600053534
9525418135257677
10121012012210012
11356159a71302a0
12116a4b320626a4
13526a4cb243791
1421c5026992140
15decc007502c7
hex6e0f4e00575c

121012012210012 has 24 divisors (see below), whose sum is σ = 264026208458880. Its totient is φ = 47147537224560.

The previous prime is 121012012210003. The next prime is 121012012210031. The reversal of 121012012210012 is 210012210210121.

It is a congruent number.

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, 196448071462 + ... + 196448072077.

It is an arithmetic number, because the mean of its divisors is an integer number (11001092019120).

Almost surely, 2121012012210012 is an apocalyptic number.

It is an amenable number.

121012012210012 is an abundant number, since it is smaller than the sum of its proper divisors (143014196248868).

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

121012012210012 is a wasteful number, since it uses less digits than its factorization.

121012012210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392896143561 (or 392896143559 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121012012210012 its reverse (210012210210121), we get a palindrome (331024222420133).

The spelling of 121012012210012 in words is "one hundred twenty-one trillion, twelve billion, twelve million, two hundred ten thousand, twelve".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 392896143539 785792287078 1571584574156 2750273004773 4321857578929 5500546009546 8643715157858 11001092019092 17287430315716 30253003052503 60506006105006 121012012210012