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1210220112010 = 257131329912211
BaseRepresentation
bin10001100111000110101…
…111010110100010001010
311021200210022122121000111
4101213012233112202022
5124312012322041020
62323544545024534
7153302245135660
oct21470657264212
94250708577014
101210220112010
11427284780558
1217667032514a
138a17aa81870
14428099c6c30
1521732076d5a
hex119c6bd688a

1210220112010 has 32 divisors (see below), whose sum is σ = 2681103019392. Its totient is φ = 383014716480.

The previous prime is 1210220111959. The next prime is 1210220112053. The reversal of 1210220112010 is 102110220121.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664955196 + ... + 664957015.

It is an arithmetic number, because the mean of its divisors is an integer number (83784469356).

Almost surely, 21210220112010 is an apocalyptic number.

1210220112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210220112010 is an abundant number, since it is smaller than the sum of its proper divisors (1470882907382).

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

1210220112010 is a wasteful number, since it uses less digits than its factorization.

1210220112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329912238.

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

Adding to 1210220112010 its reverse (102110220121), we get a palindrome (1312330332131).

The spelling of 1210220112010 in words is "one trillion, two hundred ten billion, two hundred twenty million, one hundred twelve thousand, ten".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 1329912211 2659824422 6649561055 9309385477 13299122110 17288858743 18618770954 34577717486 46546927385 86444293715 93093854770 121022011201 172888587430 242044022402 605110056005 1210220112010