120202531545 has 16 divisors (see below), whose sum is σ = 195194560320. Its totient is φ = 63151180224.

The previous prime is 120202531543. The next prime is 120202531577. The reversal of 120202531545 is 545135202021.

It is not a de Polignac number, because 120202531545 - 2¹ = 120202531543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120202531541) 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, 59801250 + ... + 59803259.

It is an arithmetic number, because the mean of its divisors is an integer number (12199660020).

Almost surely, 2^120202531545 is an apocalyptic number.

120202531545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120202531545 is a deficient number, since it is larger than the sum of its proper divisors (74992028775).

120202531545 is a wasteful number, since it uses less digits than its factorization.

120202531545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119604584.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 120202531545 its reverse (545135202021), we get a palindrome (665337733566).

The spelling of 120202531545 in words is "one hundred twenty billion, two hundred two million, five hundred thirty-one thousand, five hundred forty-five".