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1210020020230 = 25737673694189
BaseRepresentation
bin10001100110111010110…
…100000100000000000110
311021200021101010212200211
4101212322310010000012
5124311110111121410
62323513040230034
7153264265320010
oct21467264040006
94250241125624
101210020020230
1142719183564a
1217661530b31a
138a148494868
14427cb1bd1b0
152171e70068a
hex119bad04006

1210020020230 has 64 divisors (see below), whose sum is σ = 2560261576320. Its totient is φ = 403051106304.

The previous prime is 1210020020191. The next prime is 1210020020273. The reversal of 1210020020230 is 320200200121.

It is a self number, because there is not a number n which added to its sum of digits gives 1210020020230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1395976 + ... + 2090164.

It is an arithmetic number, because the mean of its divisors is an integer number (40004087130).

Almost surely, 21210020020230 is an apocalyptic number.

1210020020230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210020020230 is an abundant number, since it is smaller than the sum of its proper divisors (1350241556090).

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

1210020020230 is a wasteful number, since it uses less digits than its factorization.

1210020020230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694913.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1210020020230 its reverse (320200200121), we get a palindrome (1530220220351).

The spelling of 1210020020230 in words is "one trillion, two hundred ten billion, twenty million, twenty thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 37 70 74 185 259 370 518 673 1295 1346 2590 3365 4711 6730 9422 23555 24901 47110 49802 124505 174307 249010 348614 694189 871535 1388378 1743070 3470945 4859323 6941890 9718646 24296615 25684993 48593230 51369986 128424965 179794951 256849930 359589902 467189197 898974755 934378394 1797949510 2335945985 3270324379 4671891970 6540648758 16351621895 17286000289 32703243790 34572000578 86430001445 121002002023 172860002890 242004004046 605010010115 1210020020230