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120212001121 = 1031167106807
BaseRepresentation
bin110111111110100110…
…0011001000101100001
3102111021210002101100211
41233331030121011201
53432143233013441
6131120304214121
711453652102322
oct1577514310541
9374253071324
10120212001121
1146a885a4763
121b36a90a341
13b44a0b4014
145b65570449
1531d88d0a81
hex1bfd319161

120212001121 has 4 divisors (see below), whose sum is σ = 121379108032. Its totient is φ = 119044894212.

The previous prime is 120212001101. The next prime is 120212001139. The reversal of 120212001121 is 121100212021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120212001121 - 29 = 120212000609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120212001101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583553301 + ... + 583553506.

It is an arithmetic number, because the mean of its divisors is an integer number (30344777008).

Almost surely, 2120212001121 is an apocalyptic number.

It is an amenable number.

120212001121 is a deficient number, since it is larger than the sum of its proper divisors (1167106911).

120212001121 is a wasteful number, since it uses less digits than its factorization.

120212001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167106910.

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

Adding to 120212001121 its reverse (121100212021), we get a palindrome (241312213142).

The spelling of 120212001121 in words is "one hundred twenty billion, two hundred twelve million, one thousand, one hundred twenty-one".

Divisors: 1 103 1167106807 120212001121