Search a number
-
+
12211221201010 = 2513151076217811
BaseRepresentation
bin1011000110110010010110…
…0000001000000001110010
31121020101022000000212021021
42301230211200020001302
53100032040111413020
641545431345250054
72400142305420166
oct261544540100162
947211260025237
1012211221201010
113988828027447
12145274933392a
136a7689704670
143030520b0ca6
1516299657a1aa
hexb1b25808072

12211221201010 has 32 divisors (see below), whose sum is σ = 23672553331392. Its totient is φ = 4508459417280.

The previous prime is 12211221201001. The next prime is 12211221201061. The reversal of 12211221201010 is 1010212211221.

It is a super-2 number, since 2×122112212010102 (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, 1144996 + ... + 5072815.

It is an arithmetic number, because the mean of its divisors is an integer number (739767291606).

Almost surely, 212211221201010 is an apocalyptic number.

12211221201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211221201010 is a deficient number, since it is larger than the sum of its proper divisors (11461332130382).

12211221201010 is a wasteful number, since it uses less digits than its factorization.

12211221201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6232938.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12211221201010 its reverse (1010212211221), we get a palindrome (13221433412231).

The spelling of 12211221201010 in words is "twelve trillion, two hundred eleven billion, two hundred twenty-one million, two hundred one thousand, ten".

Divisors: 1 2 5 10 13 26 65 130 15107 30214 75535 151070 196391 392782 981955 1963910 6217811 12435622 31089055 62178110 80831543 161663086 404157715 808315430 93932470777 187864941554 469662353885 939324707770 1221122120101 2442244240202 6105610600505 12211221201010