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1212110001102 = 2372111335980309
BaseRepresentation
bin10001101000110111011…
…000101101001111001110
311021212200000210220110210
4101220313120231033032
5124324400130013402
62324500255543250
7153400134004500
oct21506730551716
94255600726423
101212110001102
11428064550170
12176ab922ab26
138a3bc485230
14429489bbd70
15217e2e3906c
hex11a3762d3ce

1212110001102 has 192 divisors, whose sum is σ = 3322289779200. Its totient is φ = 289802661120.

The previous prime is 1212110001097. The next prime is 1212110001187. The reversal of 1212110001102 is 2011000112121.

It is a super-4 number, since 4×12121100011024 (a number of 49 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15052924 + ... + 15133232.

It is an arithmetic number, because the mean of its divisors is an integer number (17303592600).

Almost surely, 21212110001102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212110001102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1661144889600).

1212110001102 is an abundant number, since it is smaller than the sum of its proper divisors (2110179778098).

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

1212110001102 is a wasteful number, since it uses less digits than its factorization.

1212110001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80711 (or 80704 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1212110001102 its reverse (2011000112121), we get a palindrome (3223110113223).

The spelling of 1212110001102 in words is "one trillion, two hundred twelve billion, one hundred ten million, one thousand, one hundred two".