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20002011101212 = 2272202961638161
BaseRepresentation
bin1001000110001000101001…
…10001000011100000011100
32121211011200112201000212211
410203010110301003200130
510110203104320214322
6110312444055010204
74133045324060500
oct443042461034034
977734615630784
1020002011101212
1164118948a7158
1222b0635069964
13b21248b46c5a
144d21613a6300
1524a4716dcb77
hex123114c4381c

20002011101212 has 72 divisors (see below), whose sum is σ = 40750050762960. Its totient is φ = 8565625635840.

The previous prime is 20002011101167. The next prime is 20002011101221. The reversal of 20002011101212 is 21210111020002.

It is a junction number, because it is equal to n+sod(n) for n = 20002011101192 and 20002011101201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2450922412 + ... + 2450930572.

Almost surely, 220002011101212 is an apocalyptic number.

It is an amenable number.

20002011101212 is an abundant number, since it is smaller than the sum of its proper divisors (20748039661748).

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

20002011101212 is a wasteful number, since it uses less digits than its factorization.

20002011101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16371 (or 16362 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20002011101212 its reverse (21210111020002), we get a palindrome (41212122121214).

The spelling of 20002011101212 in words is "twenty trillion, two billion, eleven million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 196 2029 4058 6163 8116 8161 12326 14203 16322 24652 28406 32644 43141 56812 57127 86282 99421 114254 172564 198842 228508 301987 397684 399889 603974 799778 1207948 1599556 12504727 16558669 25009454 33117338 50018908 50296243 66234676 87533089 100592486 115910683 175066178 201184972 231821366 350132356 352073701 463642732 612731623 704147402 811374781 1225463246 1408294804 1622749562 2450926492 2464515907 3245499124 4929031814 9858063628 102051077047 204102154094 408204308188 714357539329 1428715078658 2857430157316 5000502775303 10001005550606 20002011101212