212144402000030 has 16 divisors (see below), whose sum is σ = 404322272047440. Its totient is φ = 79866127811712.

The previous prime is 212144401999963. The next prime is 212144402000039. The reversal of 212144402000030 is 30000204441212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212144402000039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623954123360 + ... + 623954123699.

It is an arithmetic number, because the mean of its divisors is an integer number (25270142002965).

Almost surely, 2^{212144402000030} is an apocalyptic number.

212144402000030 is a deficient number, since it is larger than the sum of its proper divisors (192177870047410).

212144402000030 is a wasteful number, since it uses less digits than its factorization.

212144402000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247908247083.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 212144402000030 its reverse (30000204441212), we get a palindrome (242144606441242).

The spelling of 212144402000030 in words is "two hundred twelve trillion, one hundred forty-four billion, four hundred two million, thirty", and thus it is an aban number.