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101212102120012 = 22139720065841023
BaseRepresentation
bin10111000000110101000111…
…011001001101001001001100
3111021100210010102022000221021
4113000311013121031021030
5101231224341120320022
6555132110421443524
730214222146154102
oct2700650731151114
9437323112260837
10101212102120012
112a2818a2064144
12b4277002705a4
13446234ca9bbc0
141adc99873bc72
15ba7b5bb9d7c7
hex5c0d4764d24c

101212102120012 has 24 divisors (see below), whose sum is σ = 192712337194496. Its totient is φ = 46231697714688.

The previous prime is 101212102120009. The next prime is 101212102120069. The reversal of 101212102120012 is 210021201212101.

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, 10032915468 + ... + 10032925555.

Almost surely, 2101212102120012 is an apocalyptic number.

It is an amenable number.

101212102120012 is a deficient number, since it is larger than the sum of its proper divisors (91500235074484).

101212102120012 is a wasteful number, since it uses less digits than its factorization.

101212102120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20065841137 (or 20065841135 counting only the distinct ones).

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

Adding to 101212102120012 its reverse (210021201212101), we get a palindrome (311233303332113).

The spelling of 101212102120012 in words is "one hundred one trillion, two hundred twelve billion, one hundred two million, one hundred twenty thousand, twelve".

Divisors: 1 2 4 13 26 52 97 194 388 1261 2522 5044 20065841023 40131682046 80263364092 260855933299 521711866598 1043423733196 1946386579231 3892773158462 7785546316924 25303025530003 50606051060006 101212102120012