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1210211210010 = 235117151652207
BaseRepresentation
bin10001100111000110001…
…101011001001100011010
311021200202200220022202210
4101213012031121030122
5124312003032210020
62323544030135550
7153302106361425
oct21470615311432
94250680808683
101210211210010
1142727a750330
121766693515b6
138a178c859ca
144280874a9bc
15217313b93e0
hex119c635931a

1210211210010 has 64 divisors (see below), whose sum is σ = 3213180555264. Its totient is φ = 289252353600.

The previous prime is 1210211210009. The next prime is 1210211210041. The reversal of 1210211210010 is 100121120121.

It is a super-2 number, since 2×12102112100102 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25802674 + ... + 25849533.

It is an arithmetic number, because the mean of its divisors is an integer number (50205946176).

Almost surely, 21210211210010 is an apocalyptic number.

1210211210010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210211210010 is an abundant number, since it is smaller than the sum of its proper divisors (2002969345254).

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

1210211210010 is a wasteful number, since it uses less digits than its factorization.

1210211210010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51652299.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1210211210010 its reverse (100121120121), we get a palindrome (1310332330131).

The spelling of 1210211210010 in words is "one trillion, two hundred ten billion, two hundred eleven million, two hundred ten thousand, ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 71 110 142 165 213 330 355 426 710 781 1065 1562 2130 2343 3905 4686 7810 11715 23430 51652207 103304414 154956621 258261035 309913242 516522070 568174277 774783105 1136348554 1549566210 1704522831 2840871385 3409045662 3667306697 5681742770 7334613394 8522614155 11001920091 17045228310 18336533485 22003840182 36673066970 40340373667 55009600455 80680747334 110019200910 121021121001 201701868335 242042242002 403403736670 605105605005 1210211210010