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1210120102290 = 235115821762989
BaseRepresentation
bin10001100111000000110…
…001110110000110010010
311021200112100110120110210
4101213000301312012102
5124311311221233130
62323531013304550
7153266622103311
oct21470061660622
94250470416423
101210120102290
114272332827a0
12176642935156
138a163136808
14427da5d2278
15217283be5b0
hex119c0c76192

1210120102290 has 64 divisors (see below), whose sum is σ = 3168419172480. Its totient is φ = 293352752640.

The previous prime is 1210120102133. The next prime is 1210120102291. The reversal of 1210120102290 is 922010210121.

It is not an unprimeable number, because it can be changed into a prime (1210120102291) by changing a digit.

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, 19180116 + ... + 19243104.

It is an arithmetic number, because the mean of its divisors is an integer number (49506549570).

Almost surely, 21210120102290 is an apocalyptic number.

1210120102290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210120102290 is an abundant number, since it is smaller than the sum of its proper divisors (1958299070190).

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

1210120102290 is a wasteful number, since it uses less digits than its factorization.

1210120102290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121227.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 1210120102290 in words is "one trillion, two hundred ten billion, one hundred twenty million, one hundred two thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 58217 62989 116434 125978 174651 188967 291085 314945 349302 377934 582170 629890 640387 692879 873255 944835 1280774 1385758 1746510 1889670 1921161 2078637 3201935 3464395 3842322 4157274 6403870 6928790 9605805 10393185 19211610 20786370 3667030613 7334061226 11001091839 18335153065 22002183678 36670306130 40337336743 55005459195 80674673486 110010918390 121012010229 201686683715 242024020458 403373367430 605060051145 1210120102290