121230101214 has 48 divisors (see below), whose sum is σ = 273459790032. Its totient is φ = 38779254144.

The previous prime is 121230101173. The next prime is 121230101219. The reversal of 121230101214 is 412101032121.

121230101214 is a `hidden beast` number, since 121 + 230 + 101 + 214 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121230101219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1198144 + ... + 1295379.

It is an arithmetic number, because the mean of its divisors is an integer number (5697078959).

Almost surely, 2^121230101214 is an apocalyptic number.

121230101214 is an abundant number, since it is smaller than the sum of its proper divisors (152229688818).

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

121230101214 is a wasteful number, since it uses less digits than its factorization.

121230101214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493641 (or 2493638 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 121230101214 its reverse (412101032121), we get a palindrome (533331133335).

The spelling of 121230101214 in words is "one hundred twenty-one billion, two hundred thirty million, one hundred one thousand, two hundred fourteen".