Search a number
-
+
121011012002 = 2612557387913
BaseRepresentation
bin111000010110011010…
…0011000000110100010
3102120100110120100020102
41300230310120012202
53440312304341002
6131331445542402
711512523426156
oct1605464300642
9376313510212
10121011012002
114735861a431
121b552414a02
13b5467ab91a
145bdd71d066
153233b0ea02
hex1c2cd181a2

121011012002 has 16 divisors (see below), whose sum is σ = 184564826232. Its totient is φ = 59490184320.

The previous prime is 121011011999. The next prime is 121011012013. The reversal of 121011012002 is 200210110121.

It can be written as a sum of positive squares in 4 ways, for example, as 34440307561 + 86570704441 = 185581^2 + 294229^2 .

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, 117998 + ... + 505910.

Almost surely, 2121011012002 is an apocalyptic number.

121011012002 is a deficient number, since it is larger than the sum of its proper divisors (63553814230).

121011012002 is a wasteful number, since it uses less digits than its factorization.

121011012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390533.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121011012002 its reverse (200210110121), we get a palindrome (321221122123).

The spelling of 121011012002 in words is "one hundred twenty-one billion, eleven million, twelve thousand, two".

Divisors: 1 2 61 122 2557 5114 155977 311954 387913 775826 23662693 47325386 991893541 1983787082 60505506001 121011012002