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12101211000010 = 2511558171970923
BaseRepresentation
bin1011000000011000100001…
…1000100000110011001010
31120211212100012102121202101
42300012020120200303022
53041231240004000020
641423115233024014
72356166201222206
oct260061030406312
946755305377671
1012101211000010
11394610514a160
1214353670b500a
1369a1a7075582
142db9b77d3b06
1515eba861a00a
hexb0188620cca

12101211000010 has 32 divisors (see below), whose sum is σ = 23762815739712. Its totient is φ = 4400359294080.

The previous prime is 12101210999993. The next prime is 12101211000023. The reversal of 12101211000010 is 1000011210121.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 5154409 + ... + 7125331.

It is an arithmetic number, because the mean of its divisors is an integer number (742587991866).

Almost surely, 212101211000010 is an apocalyptic number.

12101211000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101211000010 is a deficient number, since it is larger than the sum of its proper divisors (11661604739702).

12101211000010 is a wasteful number, since it uses less digits than its factorization.

12101211000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026758.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12101211000010 its reverse (1000011210121), we get a palindrome (13101222210131).

The spelling of 12101211000010 in words is "twelve trillion, one hundred one billion, two hundred eleven million, ten", and thus it is an aban number.

Divisors: 1 2 5 10 11 22 55 110 55817 111634 279085 558170 613987 1227974 1970923 3069935 3941846 6139870 9854615 19709230 21680153 43360306 108400765 216801530 110011009091 220022018182 550055045455 1100110090910 1210121100001 2420242200002 6050605500005 12101211000010