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1111200101212 = 221755692934311
BaseRepresentation
bin10000001010111000101…
…011111111001101011100
310221020012110000212020011
4100022320223333031130
5121201214211214322
62210251150333004
7143165401005565
oct20127053771534
93836173025204
101111200101212
11399291540893
1215b4367ba164
1380a2a2c3cb6
143bad4b8516c
151dd88db9677
hex102b8aff35c

1111200101212 has 24 divisors (see below), whose sum is σ = 2059358847840. Its totient is φ = 522823618560.

The previous prime is 1111200101203. The next prime is 1111200101227. The reversal of 1111200101212 is 2121010021111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1111200101192 and 1111200101201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088464 + ... + 1845847.

It is an arithmetic number, because the mean of its divisors is an integer number (85806618660).

Almost surely, 21111200101212 is an apocalyptic number.

It is an amenable number.

1111200101212 is a deficient number, since it is larger than the sum of its proper divisors (948158746628).

1111200101212 is a wasteful number, since it uses less digits than its factorization.

1111200101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939901 (or 2939899 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1111200101212 its reverse (2121010021111), we get a palindrome (3232210122323).

The spelling of 1111200101212 in words is "one trillion, one hundred eleven billion, two hundred million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 5569 11138 22276 94673 189346 378692 2934311 5868622 11737244 49883287 99766574 199533148 16341177959 32682355918 65364711836 277800025303 555600050606 1111200101212