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121200130332231 = 32231973272933647
BaseRepresentation
bin11011100011101100011010…
…101101110001011001000111
3120220010121201110201201010120
4123203230122231301121013
5111341220331331112411
61105434323214553023
734346264133533436
oct3343543255613107
9526117643651116
10121200130332231
1135688760989895
1211715492508773
13528217aa18432
1421d0190a0311d
15e02a609d8106
hex6e3b1ab71647

121200130332231 has 32 divisors (see below), whose sum is σ = 162471451484160. Its totient is φ = 80365136611584.

The previous prime is 121200130332223. The next prime is 121200130332271. The reversal of 121200130332231 is 132233031002121.

It is not a de Polignac number, because 121200130332231 - 23 = 121200130332223 is a prime.

It is a super-2 number, since 2×1212001303322312 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200130332271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3602091250 + ... + 3602124896.

It is an arithmetic number, because the mean of its divisors is an integer number (5077232858880).

Almost surely, 2121200130332231 is an apocalyptic number.

121200130332231 is a deficient number, since it is larger than the sum of its proper divisors (41271321151929).

121200130332231 is a wasteful number, since it uses less digits than its factorization.

121200130332231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38575.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 121200130332231 its reverse (132233031002121), we get a palindrome (253433161334352).

The spelling of 121200130332231 in words is "one hundred twenty-one trillion, two hundred billion, one hundred thirty million, three hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 3 223 669 1973 2729 5919 8187 33647 100941 439979 608567 1319937 1825701 5384317 7503281 16152951 22509843 66385531 91822663 199156593 275467989 1200702691 3602108073 14803973413 20476453849 44411920239 61429361547 181166114099 543498342297 40400043444077 121200130332231