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101212222020012 = 2233937150203889
BaseRepresentation
bin10111000000110101001110…
…100010100101100110101100
3111021100210102202220120211000
4113000311032202211212230
5101231230112314120022
6555132130343400300
730214225133250555
oct2700651642454654
9437323382816730
10101212222020012
112a281953807854
12b427734453090
13446236b88c44c
141adc9aa62d32c
15ba7b674846ac
hex5c0d4e8a59ac

101212222020012 has 24 divisors (see below), whose sum is σ = 262402057089200. Its totient is φ = 33737407339968.

The previous prime is 101212222020011. The next prime is 101212222020023. The reversal of 101212222020012 is 210020222212101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (101212222020011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468575101837 + ... + 468575102052.

Almost surely, 2101212222020012 is an apocalyptic number.

101212222020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101212222020012 is an abundant number, since it is smaller than the sum of its proper divisors (161189835069188).

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

101212222020012 is a wasteful number, since it uses less digits than its factorization.

101212222020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937150203902 (or 937150203894 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101212222020012 its reverse (210020222212101), we get a palindrome (311232444232113).

The spelling of 101212222020012 in words is "one hundred one trillion, two hundred twelve billion, two hundred twenty-two million, twenty thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 937150203889 1874300407778 2811450611667 3748600815556 5622901223334 8434351835001 11245802446668 16868703670002 25303055505003 33737407340004 50606111010006 101212222020012