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1212222022130 = 257232393150347
BaseRepresentation
bin10001101000111110000…
…100000010000111110010
311021212221211121011102202
4101220332010002013302
5124330112314202010
62324515340543202
7153402664114430
oct21507604020762
94255854534382
101212222022130
11428111802229
12176b2a851b02
138a409747472
144295981bd50
15217ecbb56a5
hex11a3e1021f2

1212222022130 has 64 divisors (see below), whose sum is σ = 2613024645120. Its totient is φ = 395885079744.

The previous prime is 1212222022129. The next prime is 1212222022147. The reversal of 1212222022130 is 312202222121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1190384 + ... + 1959963.

It is an arithmetic number, because the mean of its divisors is an integer number (40828510080).

Almost surely, 21212222022130 is an apocalyptic number.

1212222022130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212222022130 is an abundant number, since it is smaller than the sum of its proper divisors (1400802622990).

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

1212222022130 is a wasteful number, since it uses less digits than its factorization.

1212222022130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150623.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1212222022130 its reverse (312202222121), we get a palindrome (1524424244251).

The spelling of 1212222022130 in words is "one trillion, two hundred twelve billion, two hundred twenty-two million, twenty-two thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 239 322 478 805 1195 1610 1673 2390 3346 5497 8365 10994 16730 27485 38479 54970 76958 192395 384790 3150347 6300694 15751735 22052429 31503470 44104858 72457981 110262145 144915962 220524290 362289905 507205867 724579810 752932933 1014411734 1505865866 2536029335 3764664665 5072058670 5270530531 7529329330 10541061062 17317457459 26352652655 34634914918 52705305310 86587287295 121222202213 173174574590 242444404426 606111011065 1212222022130