212150031202 has 4 divisors (see below), whose sum is σ = 318225046806. Its totient is φ = 106075015600.

The previous prime is 212150031133. The next prime is 212150031211. The reversal of 212150031202 is 202130051212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 147232596681 + 64917434521 = 383709^2 + 254789^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212150031202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53037507799 + ... + 53037507802.

Almost surely, 2^212150031202 is an apocalyptic number.

212150031202 is a deficient number, since it is larger than the sum of its proper divisors (106075015604).

212150031202 is a wasteful number, since it uses less digits than its factorization.

212150031202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106075015603.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 212150031202 its reverse (202130051212), we get a palindrome (414280082414).

The spelling of 212150031202 in words is "two hundred twelve billion, one hundred fifty million, thirty-one thousand, two hundred two".