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1201122102987 = 32791689341917
BaseRepresentation
bin10001011110101000011…
…101001100111011001011
311020211022021010211220100
4101132220131030323023
5124134344224243422
62315442103100443
7152530632264222
oct21365035147313
94224267124810
101201122102987
11423436128734
12174951441723
138935ac07081
14421c557bcb9
152139d48a7ac
hex117a874cecb

1201122102987 has 12 divisors (see below), whose sum is σ = 1756915594720. Its totient is φ = 790612016688.

The previous prime is 1201122102941. The next prime is 1201122103007. The reversal of 1201122102987 is 7892012211021.

It is not a de Polignac number, because 1201122102987 - 218 = 1201121840843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201122102937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 844670248 + ... + 844671669.

Almost surely, 21201122102987 is an apocalyptic number.

1201122102987 is a deficient number, since it is larger than the sum of its proper divisors (555793491733).

1201122102987 is a wasteful number, since it uses less digits than its factorization.

1201122102987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689342002 (or 1689341999 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The spelling of 1201122102987 in words is "one trillion, two hundred one billion, one hundred twenty-two million, one hundred two thousand, nine hundred eighty-seven".

Divisors: 1 3 9 79 237 711 1689341917 5068025751 15204077253 133458011443 400374034329 1201122102987