205212545263052 has 24 divisors (see below), whose sum is σ = 365911039460736. Its totient is φ = 100666673664128.

The previous prime is 205212545263007. The next prime is 205212545263073. The reversal of 205212545263052 is 250362545212502.

It is a super-2 number, since 2×205212545263052² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 205212545262994 and 205212545263012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11564033 + ... + 23327064.

It is an arithmetic number, because the mean of its divisors is an integer number (15246293310864).

Almost surely, 2^{205212545263052} is an apocalyptic number.

It is an amenable number.

205212545263052 is a deficient number, since it is larger than the sum of its proper divisors (160698494197684).

205212545263052 is a wasteful number, since it uses less digits than its factorization.

205212545263052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34918897 (or 34918895 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 44.

The spelling of 205212545263052 in words is "two hundred five trillion, two hundred twelve billion, five hundred forty-five million, two hundred sixty-three thousand, fifty-two".