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2121010212010 = 251531138537571
BaseRepresentation
bin11110110111010110000…
…011110110110010101010
321111202200211220112211011
4132313112003312302222
5234222312103241020
64302213441454134
7306144416223004
oct36672603666252
97452624815734
102121010212010
11748573a74168
122a309604134a
13125019b22b11
147492c041374
153a28b9d035a
hex1edd60f6caa

2121010212010 has 16 divisors (see below), whose sum is σ = 3820312085472. Its totient is φ = 847849928400.

The previous prime is 2121010212001. The next prime is 2121010212059. The reversal of 2121010212010 is 102120101212.

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, 69253476 + ... + 69284095.

It is an arithmetic number, because the mean of its divisors is an integer number (238769505342).

Almost surely, 22121010212010 is an apocalyptic number.

2121010212010 is a deficient number, since it is larger than the sum of its proper divisors (1699301873462).

2121010212010 is a wasteful number, since it uses less digits than its factorization.

2121010212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138539109.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2121010212010 its reverse (102120101212), we get a palindrome (2223130313222).

The spelling of 2121010212010 in words is "two trillion, one hundred twenty-one billion, ten million, two hundred twelve thousand, ten".

Divisors: 1 2 5 10 1531 3062 7655 15310 138537571 277075142 692687855 1385375710 212101021201 424202042402 1060505106005 2121010212010