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1222104231240 = 233510184201927
BaseRepresentation
bin10001110010001011000…
…101101010110101001000
311022211110112201101211120
4101302023011222311020
5130010332140344430
62333232114555240
7154202611365624
oct21621305526510
94284415641746
101222104231240
11431322a841a2
12178a28298b20
138b322c02389
144321607c184
1521bca557610
hex11c8b16ad48

1222104231240 has 32 divisors (see below), whose sum is σ = 3666312694080. Its totient is φ = 325894461632.

The previous prime is 1222104231203. The next prime is 1222104231259. The reversal of 1222104231240 is 421324012221.

It is a super-2 number, since 2×12221042312402 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1222104231240.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5092100844 + ... + 5092101083.

It is an arithmetic number, because the mean of its divisors is an integer number (114572271690).

Almost surely, 21222104231240 is an apocalyptic number.

1222104231240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222104231240 is an abundant number, since it is smaller than the sum of its proper divisors (2444208462840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222104231240 is a wasteful number, since it uses less digits than its factorization.

1222104231240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10184201941 (or 10184201937 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1222104231240 its reverse (421324012221), we get a palindrome (1643428243461).

The spelling of 1222104231240 in words is "one trillion, two hundred twenty-two billion, one hundred four million, two hundred thirty-one thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 10184201927 20368403854 30552605781 40736807708 50921009635 61105211562 81473615416 101842019270 122210423124 152763028905 203684038540 244420846248 305526057810 407368077080 611052115620 1222104231240