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1001011201222 = 23106316112597
BaseRepresentation
bin11101001000100001110…
…10101100010011000110
310112200210012011202210011
432210100322230103012
5112400032331414342
62043505212020434
7132214663551364
oct16442072542306
93480705152704
101001011201222
113565877aa38a
1214200476171a
1373519928266
143664086c634
151b08a40b717
hexe910eac4c6

1001011201222 has 8 divisors (see below), whose sum is σ = 1501565232816. Its totient is φ = 500489456952.

The previous prime is 1001011201189. The next prime is 1001011201261. The reversal of 1001011201222 is 2221021101001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10010112012222 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7994173 + ... + 8118424.

It is an arithmetic number, because the mean of its divisors is an integer number (187695654102).

Almost surely, 21001011201222 is an apocalyptic number.

1001011201222 is a deficient number, since it is larger than the sum of its proper divisors (500554031594).

1001011201222 is a wasteful number, since it uses less digits than its factorization.

1001011201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16143662.

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

Adding to 1001011201222 its reverse (2221021101001), we get a palindrome (3222032302223).

The spelling of 1001011201222 in words is "one trillion, one billion, eleven million, two hundred one thousand, two hundred twenty-two".

Divisors: 1 2 31063 62126 16112597 32225194 500505600611 1001011201222