42120203020133 has 32 divisors (see below), whose sum is σ = 49721521489920. Its totient is φ = 34926487511040.

The previous prime is 42120203020037. The next prime is 42120203020151. The reversal of 42120203020133 is 33102030202124.

It is not a de Polignac number, because 42120203020133 - 2⁸ = 42120203019877 is a prime.

It is a super-2 number, since 2×42120203020133² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42120203020099 and 42120203020108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42120203020183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46274693 + ... + 47176133.

It is an arithmetic number, because the mean of its divisors is an integer number (1553797546560).

Almost surely, 2^{42120203020133} is an apocalyptic number.

It is an amenable number.

42120203020133 is a deficient number, since it is larger than the sum of its proper divisors (7601318469787).

42120203020133 is a wasteful number, since it uses less digits than its factorization.

42120203020133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902517.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 42120203020133 its reverse (33102030202124), we get a palindrome (75222233222257).

The spelling of 42120203020133 in words is "forty-two trillion, one hundred twenty billion, two hundred three million, twenty thousand, one hundred thirty-three".