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20120210012012 = 22112337123355139
BaseRepresentation
bin1001001001100100110011…
…11110000111011101101100
32122020110210000210211110212
410210302121332013131230
510114122142230341022
6110443032531521552
74144431363201125
oct444623176073554
978213700724425
1020120210012012
116457a2a023300
12230b5217592b8
13b2c434b4c566
144d7b7543104c
1524d58d4c23e2
hex124c99f8776c

20120210012012 has 36 divisors (see below), whose sum is σ = 38817148744920. Its totient is φ = 9118411800960.

The previous prime is 20120210012003. The next prime is 20120210012017. The reversal of 20120210012012 is 21021001202102.

It is not an unprimeable number, because it can be changed into a prime (20120210012017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61514462 + ... + 61840677.

Almost surely, 220120210012012 is an apocalyptic number.

20120210012012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20120210012012 is a deficient number, since it is larger than the sum of its proper divisors (18696938732908).

20120210012012 is a wasteful number, since it uses less digits than its factorization.

20120210012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123355502 (or 123355489 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20120210012012 its reverse (21021001202102), we get a palindrome (41141211214114).

The spelling of 20120210012012 in words is "twenty trillion, one hundred twenty billion, two hundred ten million, twelve thousand, twelve".

Divisors: 1 2 4 11 22 44 121 242 337 484 674 1348 3707 7414 14828 40777 81554 163108 123355139 246710278 493420556 1356906529 2713813058 5427626116 14925971819 29851943638 41570681843 59703887276 83141363686 166282727372 457277500273 914555000546 1829110001092 5030052503003 10060105006006 20120210012012