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121231231233010 = 2521227571118063
BaseRepresentation
bin11011100100001001011000…
…011110010010101111110010
3120220020120222221120011110121
4123210021120132102233302
5111342223030143424020
61105500505255120454
734351444632036523
oct3344113036225762
9526216887504417
10121231231233010
113569a9705a2978
121171b51207312a
1352850961b81c2
1421d18a134284a
15e037810c4baa
hex6e4258792bf2

121231231233010 has 16 divisors (see below), whose sum is σ = 218226496726656. Its totient is φ = 48490207936048.

The previous prime is 121231231232939. The next prime is 121231231233011. The reversal of 121231231233010 is 10332132132121.

It is a super-2 number, since 2×1212312312330102 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121231231233011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285346762 + ... + 285771301.

It is an arithmetic number, because the mean of its divisors is an integer number (13639156045416).

Almost surely, 2121231231233010 is an apocalyptic number.

121231231233010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121231231233010 is a deficient number, since it is larger than the sum of its proper divisors (96995265493646).

121231231233010 is a wasteful number, since it uses less digits than its factorization.

121231231233010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571139297.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 121231231233010 its reverse (10332132132121), we get a palindrome (131563363365131).

The spelling of 121231231233010 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, two hundred thirty-one million, two hundred thirty-three thousand, ten".

Divisors: 1 2 5 10 21227 42454 106135 212270 571118063 1142236126 2855590315 5711180630 12123123123301 24246246246602 60615615616505 121231231233010