12101355 has 48 divisors (see below), whose sum is σ = 24583104. Its totient is φ = 5391360.

The previous prime is 12101329. The next prime is 12101357. The reversal of 12101355 is 55310121.

It is not a de Polignac number, because 12101355 - 2⁷ = 12101227 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101357) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12447 + ... + 13383.

It is an arithmetic number, because the mean of its divisors is an integer number (512148).

Almost surely, 2^12101355 is an apocalyptic number.

12101355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12101355 is an abundant number, since it is smaller than the sum of its proper divisors (12481749).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12101355 is a wasteful number, since it uses less digits than its factorization.

12101355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 12101355 is about 3478.7001882887. The cubic root of 12101355 is about 229.5856117581.

Adding to 12101355 its reverse (55310121), we get a palindrome (67411476).

The spelling of 12101355 in words is "twelve million, one hundred one thousand, three hundred fifty-five".