Search a number
-
+
121211001200102 = 21173104597216163
BaseRepresentation
bin11011100011110110100010…
…101010110101110111100110
3120220011122210002012000101112
4123203312202222311313212
5111341410112301400402
61105443322031225022
734350130414431662
oct3343664252656746
9526148702160345
10121211001200102
113569232a238810
1211717607078172
1352831c0c6c328
1421d090269b8a2
15e02e9a06ae52
hex6e3da2ab5de6

121211001200102 has 32 divisors (see below), whose sum is σ = 201081584972160. Its totient is φ = 54335967981120.

The previous prime is 121211001200083. The next prime is 121211001200123. The reversal of 121211001200102 is 201002100112121.

It is a super-2 number, since 2×1212110012001022 (a number of 29 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 15 ways as a sum of consecutive naturals, for example, 13189073 + ... + 20405235.

It is an arithmetic number, because the mean of its divisors is an integer number (6283799530380).

Almost surely, 2121211001200102 is an apocalyptic number.

121211001200102 is a deficient number, since it is larger than the sum of its proper divisors (79870583772058).

121211001200102 is a wasteful number, since it uses less digits than its factorization.

121211001200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7226708.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121211001200102 its reverse (201002100112121), we get a palindrome (322213101312223).

The spelling of 121211001200102 in words is "one hundred twenty-one trillion, two hundred eleven billion, one million, two hundred thousand, one hundred two".

Divisors: 1 2 11 22 73 146 803 1606 10459 20918 115049 230098 763507 1527014 7216163 8398577 14432326 16797154 79377793 158755586 526779899 1053559798 5794578889 11589157778 75473848817 150947697634 830212336987 1660424673974 5509590963641 11019181927282 60605500600051 121211001200102