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1212110000210 = 2511312716351817
BaseRepresentation
bin10001101000110111011…
…000101101000001010010
311021212200000210212020202
4101220313120231001102
5124324400130001320
62324500255535202
7153400134002054
oct21506730550122
94255600725222
101212110000210
1142806454a52a
12176ab922a502
138a3bc4849c5
14429489bb8d4
15217e2e38b75
hex11a3762d052

1212110000210 has 64 divisors (see below), whose sum is σ = 2232090611712. Its totient is φ = 473835350016.

The previous prime is 1212110000203. The next prime is 1212110000293. The reversal of 1212110000210 is 120000112121.

It is a junction number, because it is equal to n+sod(n) for n = 1212110000191 and 1212110000200.

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, 23366222 + ... + 23418038.

It is an arithmetic number, because the mean of its divisors is an integer number (34876415808).

Almost surely, 21212110000210 is an apocalyptic number.

1212110000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212110000210 is a deficient number, since it is larger than the sum of its proper divisors (1019980611502).

1212110000210 is a wasteful number, since it uses less digits than its factorization.

1212110000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52227.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1212110000210 its reverse (120000112121), we get a palindrome (1332110112331).

The spelling of 1212110000210 in words is "one trillion, two hundred twelve billion, one hundred ten million, two hundred ten", and thus it is an aban number.

Divisors: 1 2 5 10 113 127 163 226 254 326 565 635 815 1130 1270 1630 14351 18419 20701 28702 36838 41402 51817 71755 92095 103505 103634 143510 184190 207010 259085 518170 2339213 4678426 5855321 6580759 8446171 11696065 11710642 13161518 16892342 23392130 29276605 32903795 42230855 58553210 65807590 84461710 743625767 954417323 1072663717 1487251534 1908834646 2145327434 3718128835 4772086615 5363318585 7436257670 9544173230 10726637170 121211000021 242422000042 606055000105 1212110000210