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121022012010 = 2356166132247
BaseRepresentation
bin111000010110101111…
…0010101101001101010
3102120101020021012102010
41300231132111221222
53440323113341020
6131332521420350
711513016062154
oct1605536255152
9376336235363
10121022012010
1147363852949
121b55603a6b6
13b548b606c3
145c00d83ad4
153234a83de0
hex1c2d795a6a

121022012010 has 32 divisors (see below), whose sum is σ = 295214355072. Its totient is φ = 31743478080.

The previous prime is 121022012003. The next prime is 121022012021. The reversal of 121022012010 is 10210220121.

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, 33064294 + ... + 33067953.

It is an arithmetic number, because the mean of its divisors is an integer number (9225448596).

Almost surely, 2121022012010 is an apocalyptic number.

121022012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121022012010 is an abundant number, since it is smaller than the sum of its proper divisors (174192343062).

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

121022012010 is a wasteful number, since it uses less digits than its factorization.

121022012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66132318.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121022012010 its reverse (10210220121), we get a palindrome (131232232131).

The spelling of 121022012010 in words is "one hundred twenty-one billion, twenty-two million, twelve thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 61 122 183 305 366 610 915 1830 66132247 132264494 198396741 330661235 396793482 661322470 991983705 1983967410 4034067067 8068134134 12102201201 20170335335 24204402402 40340670670 60511006005 121022012010