134211220231020 has 48 divisors (see below), whose sum is σ = 378280101550848. Its totient is φ = 35552641118400.

The previous prime is 134211220231019. The next prime is 134211220231051. The reversal of 134211220231020 is 20132022112431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7406791174 + ... + 7406809293.

It is an arithmetic number, because the mean of its divisors is an integer number (7880835448976).

Almost surely, 2^{134211220231020} is an apocalyptic number.

134211220231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134211220231020 is an abundant number, since it is smaller than the sum of its proper divisors (244068881319828).

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

134211220231020 is a wasteful number, since it uses less digits than its factorization.

134211220231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14813600630 (or 14813600628 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 134211220231020 its reverse (20132022112431), we get a palindrome (154343242343451).

The spelling of 134211220231020 in words is "one hundred thirty-four trillion, two hundred eleven billion, two hundred twenty million, two hundred thirty-one thousand, twenty".