212203144011 has 32 divisors (see below), whose sum is σ = 301899445056. Its totient is φ = 132120576000.

The previous prime is 212203144007. The next prime is 212203144031. The reversal of 212203144011 is 110441302212.

It is not a de Polignac number, because 212203144011 - 2² = 212203144007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212203144001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3423051 + ... + 3484491.

It is an arithmetic number, because the mean of its divisors is an integer number (9434357658).

Almost surely, 2^212203144011 is an apocalyptic number.

212203144011 is a deficient number, since it is larger than the sum of its proper divisors (89696301045).

212203144011 is a wasteful number, since it uses less digits than its factorization.

212203144011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61983.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 212203144011 its reverse (110441302212), we get a palindrome (322644446223).

The spelling of 212203144011 in words is "two hundred twelve billion, two hundred three million, one hundred forty-four thousand, eleven".