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12120120121010 = 2511448124588911
BaseRepresentation
bin1011000001011110111101…
…1101000101011010110010
31120220200011000021111100012
42300113233131011122302
53042034001222333020
641435523433054522
72360435606131646
oct260275735053262
946820130244305
1012120120121010
113953128923690
121438b63857442
1369bbcb743c75
142dc88cc72c26
151604137027c5
hexb05ef7456b2

12120120121010 has 32 divisors (see below), whose sum is σ = 23804820774144. Its totient is φ = 4406332672000.

The previous prime is 12120120120989. The next prime is 12120120121049. The reversal of 12120120121010 is 1012102102121.

It is a super-2 number, since 2×121201201210102 (a number of 27 digits) contains 22 as substring.

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, 11801546 + ... + 12787365.

It is an arithmetic number, because the mean of its divisors is an integer number (743900649192).

Almost surely, 212120120121010 is an apocalyptic number.

12120120121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120120121010 is a deficient number, since it is larger than the sum of its proper divisors (11684700653134).

12120120121010 is a wasteful number, since it uses less digits than its factorization.

12120120121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24593410.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12120120121010 its reverse (1012102102121), we get a palindrome (13132222223131).

The spelling of 12120120121010 in words is "twelve trillion, one hundred twenty billion, one hundred twenty million, one hundred twenty-one thousand, ten".

Divisors: 1 2 5 10 11 22 55 110 4481 8962 22405 44810 49291 98582 246455 492910 24588911 49177822 122944555 245889110 270478021 540956042 1352390105 2704780210 110182910191 220365820382 550914550955 1101829101910 1212012012101 2424024024202 6060060060505 12120120121010