121342344230100 has 144 divisors (see below), whose sum is σ = 403557984885888. Its totient is φ = 27575072693760.

The previous prime is 121342344230089. The next prime is 121342344230119. The reversal of 121342344230100 is 1032443243121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 166636899 + ... + 167363498.

It is an arithmetic number, because the mean of its divisors is an integer number (2802486006152).

Almost surely, 2^{121342344230100} is an apocalyptic number.

121342344230100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121342344230100 is an abundant number, since it is smaller than the sum of its proper divisors (282215640655788).

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

121342344230100 is a wasteful number, since it uses less digits than its factorization.

121342344230100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334000594 (or 334000587 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 121342344230100 its reverse (1032443243121), we get a palindrome (122374787473221).

The spelling of 121342344230100 in words is "one hundred twenty-one trillion, three hundred forty-two billion, three hundred forty-four million, two hundred thirty thousand, one hundred".