133210122420 has 48 divisors (see below), whose sum is σ = 375710908608. Its totient is φ = 35263407360.

The previous prime is 133210122379. The next prime is 133210122421. The reversal of 133210122420 is 24221012331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133210122421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8094586 + ... + 8111025.

It is an arithmetic number, because the mean of its divisors is an integer number (7827310596).

Almost surely, 2^133210122420 is an apocalyptic number.

133210122420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133210122420 is an abundant number, since it is smaller than the sum of its proper divisors (242500786188).

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

133210122420 is a wasteful number, since it uses less digits than its factorization.

133210122420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16205760 (or 16205758 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 133210122420 its reverse (24221012331), we get a palindrome (157431134751).

The spelling of 133210122420 in words is "one hundred thirty-three billion, two hundred ten million, one hundred twenty-two thousand, four hundred twenty".