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122121210020330 = 25311160924404767
BaseRepresentation
bin11011110001000110001111…
…010101111100000111101010
3121000101200012002122220020202
4123301012033111330013222
5112001313214231122310
61111421413121152202
734502652266645543
oct3361061725740752
9530350162586222
10122121210020330
1135a033503aa314
1211843aaa18b662
13531ac9976a761
1422229ab8434ca
15e1b9bd9533a5
hex6f118f57c1ea

122121210020330 has 32 divisors (see below), whose sum is σ = 220662055111680. Its totient is φ = 48661151022720.

The previous prime is 122121210020273. The next prime is 122121210020351. The reversal of 122121210020330 is 33020012121221.

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, 7198394 + ... + 17206373.

It is an arithmetic number, because the mean of its divisors is an integer number (6895689222240).

Almost surely, 2122121210020330 is an apocalyptic number.

122121210020330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122121210020330 is a deficient number, since it is larger than the sum of its proper divisors (98540845091350).

122121210020330 is a wasteful number, since it uses less digits than its factorization.

122121210020330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24406694.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 122121210020330 its reverse (33020012121221), we get a palindrome (155141222141551).

The spelling of 122121210020330 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, two hundred ten million, twenty thousand, three hundred thirty".

Divisors: 1 2 5 10 311 622 1555 1609 3110 3218 8045 16090 500399 1000798 2501995 5003990 24404767 48809534 122023835 244047670 7589882537 15179765074 37949412685 39267270103 75898825370 78534540206 196336350515 392672701030 12212121002033 24424242004066 61060605010165 122121210020330