120213121203 has 48 divisors (see below), whose sum is σ = 202453767360. Its totient is φ = 67319949312.

The previous prime is 120213121187. The next prime is 120213121219. The reversal of 120213121203 is 302121312021.

It is an interprime number because it is at equal distance from previous prime (120213121187) and next prime (120213121219).

It is not a de Polignac number, because 120213121203 - 2⁴ = 120213121187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120213121243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 538725 + ... + 728457.

It is an arithmetic number, because the mean of its divisors is an integer number (4217786820).

Almost surely, 2^120213121203 is an apocalyptic number.

120213121203 is a deficient number, since it is larger than the sum of its proper divisors (82240646157).

120213121203 is a wasteful number, since it uses less digits than its factorization.

120213121203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189948 (or 189945 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 120213121203 its reverse (302121312021), we get a palindrome (422334433224).

The spelling of 120213121203 in words is "one hundred twenty billion, two hundred thirteen million, one hundred twenty-one thousand, two hundred three".