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2120814081212 = 221927905448437
BaseRepresentation
bin11110110111001010010…
…111101011010010111100
321111202012011212001221112
4132313022113223102330
5234221411401044322
64302142154021152
7306136515152051
oct36671227532274
97452164761845
102120814081212
117484832941a2
122a30404177b8
13124cb82c19a8
147490dd89028
153a27968c5e2
hex1edca5eb4bc

2120814081212 has 12 divisors (see below), whose sum is σ = 3906762781320. Its totient is φ = 1004596143696.

The previous prime is 2120814081203. The next prime is 2120814081257. The reversal of 2120814081212 is 2121804180212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13952724143 + ... + 13952724294.

It is an arithmetic number, because the mean of its divisors is an integer number (325563565110).

Almost surely, 22120814081212 is an apocalyptic number.

It is an amenable number.

2120814081212 is a deficient number, since it is larger than the sum of its proper divisors (1785948700108).

2120814081212 is a wasteful number, since it uses less digits than its factorization.

2120814081212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27905448460 (or 27905448458 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 32.

The spelling of 2120814081212 in words is "two trillion, one hundred twenty billion, eight hundred fourteen million, eighty-one thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 27905448437 55810896874 111621793748 530203520303 1060407040606 2120814081212