121210423334 has 128 divisors (see below), whose sum is σ = 262022003712. Its totient is φ = 40465059840.

The previous prime is 121210423333. The next prime is 121210423363. The reversal of 121210423334 is 433324012121.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121210423333) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2460089 + ... + 2508875.

It is an arithmetic number, because the mean of its divisors is an integer number (2047046904).

Almost surely, 2^121210423334 is an apocalyptic number.

121210423334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121210423334 is an abundant number, since it is smaller than the sum of its proper divisors (140811580378).

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

121210423334 is a wasteful number, since it uses less digits than its factorization.

121210423334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48910.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 121210423334 its reverse (433324012121), we get a palindrome (554534435455).

The spelling of 121210423334 in words is "one hundred twenty-one billion, two hundred ten million, four hundred twenty-three thousand, three hundred thirty-four".