212206220152 has 8 divisors (see below), whose sum is σ = 397886662800. Its totient is φ = 106103110072.

The previous prime is 212206220119. The next prime is 212206220153. The reversal of 212206220152 is 251022602212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212206220153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13262888752 + ... + 13262888767.

It is an arithmetic number, because the mean of its divisors is an integer number (49735832850).

Almost surely, 2^212206220152 is an apocalyptic number.

It is an amenable number.

212206220152 is a deficient number, since it is larger than the sum of its proper divisors (185680442648).

212206220152 is a wasteful number, since it uses less digits than its factorization.

212206220152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26525777525 (or 26525777521 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 212206220152 its reverse (251022602212), we get a palindrome (463228822364).

The spelling of 212206220152 in words is "two hundred twelve billion, two hundred six million, two hundred twenty thousand, one hundred fifty-two".