120204032135 has 16 divisors (see below), whose sum is σ = 158267602080. Its totient is φ = 86915783040.

The previous prime is 120204032119. The next prime is 120204032227. The reversal of 120204032135 is 531230402021.

It is not a de Polignac number, because 120204032135 - 2⁴ = 120204032119 is a prime.

It is a super-2 number, since 2×120204032135² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120204032135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6307040 + ... + 6326069.

It is an arithmetic number, because the mean of its divisors is an integer number (9891725130).

Almost surely, 2^120204032135 is an apocalyptic number.

120204032135 is a deficient number, since it is larger than the sum of its proper divisors (38063569945).

120204032135 is a wasteful number, since it uses less digits than its factorization.

120204032135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12633298.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 120204032135 its reverse (531230402021), we get a palindrome (651434434156).

The spelling of 120204032135 in words is "one hundred twenty billion, two hundred four million, thirty-two thousand, one hundred thirty-five".