203013121312210 has 96 divisors (see below), whose sum is σ = 414635923441152. Its totient is φ = 71438975520000.

The previous prime is 203013121312153. The next prime is 203013121312249. The reversal of 203013121312210 is 12213121310302.

It is a super-2 number, since 2×203013121312210² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1243787505 + ... + 1243950715.

It is an arithmetic number, because the mean of its divisors is an integer number (4319124202512).

Almost surely, 2^{203013121312210} is an apocalyptic number.

203013121312210 is an abundant number, since it is smaller than the sum of its proper divisors (211622802128942).

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

203013121312210 is a wasteful number, since it uses less digits than its factorization.

203013121312210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196432 (or 196421 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 203013121312210 its reverse (12213121310302), we get a palindrome (215226242622512).

The spelling of 203013121312210 in words is "two hundred three trillion, thirteen billion, one hundred twenty-one million, three hundred twelve thousand, two hundred ten".