201212203030 has 128 divisors (see below), whose sum is σ = 378928368000. Its totient is φ = 76893696000.

The previous prime is 201212203021. The next prime is 201212203039. The reversal of 201212203030 is 30302212102.

It is an interprime number because it is at equal distance from previous prime (201212203021) and next prime (201212203039).

It is a junction number, because it is equal to n+sod(n) for n = 201212202995 and 201212203013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212203039) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1111669540 + ... + 1111669720.

It is an arithmetic number, because the mean of its divisors is an integer number (2960377875).

Almost surely, 2^201212203030 is an apocalyptic number.

201212203030 is a deficient number, since it is larger than the sum of its proper divisors (177716164970).

201212203030 is a wasteful number, since it uses less digits than its factorization.

201212203030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 201212203030 its reverse (30302212102), we get a palindrome (231514415132).

The spelling of 201212203030 in words is "two hundred one billion, two hundred twelve million, two hundred three thousand, thirty".