133222123020 has 192 divisors, whose sum is σ = 428656951296. Its totient is φ = 30283718400.

The previous prime is 133222122989. The next prime is 133222123051. The reversal of 133222123020 is 20321222331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (133222122989) and next prime (133222123051).

It is a super-3 number, since 3×133222123020³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68283045 + ... + 68284995.

It is an arithmetic number, because the mean of its divisors is an integer number (2232588288).

Almost surely, 2^133222123020 is an apocalyptic number.

133222123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133222123020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214328475648).

133222123020 is an abundant number, since it is smaller than the sum of its proper divisors (295434828276).

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

133222123020 is a wasteful number, since it uses less digits than its factorization.

133222123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780 (or 2778 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 133222123020 its reverse (20321222331), we get a palindrome (153543345351).

The spelling of 133222123020 in words is "one hundred thirty-three billion, two hundred twenty-two million, one hundred twenty-three thousand, twenty".