210235010250442 has 64 divisors (see below), whose sum is σ = 335673569088000. Its totient is φ = 98612573230080.

The previous prime is 210235010250439. The next prime is 210235010250449. The reversal of 210235010250442 is 244052010532012.

It is a happy number.

It is a super-2 number, since 2×210235010250442² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210235010250449) 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, 1221862434 + ... + 1222034482.

It is an arithmetic number, because the mean of its divisors is an integer number (5244899517000).

Almost surely, 2^{210235010250442} is an apocalyptic number.

210235010250442 is a deficient number, since it is larger than the sum of its proper divisors (125438558837558).

210235010250442 is a wasteful number, since it uses less digits than its factorization.

210235010250442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177071.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 210235010250442 its reverse (244052010532012), we get a palindrome (454287020782454).

The spelling of 210235010250442 in words is "two hundred ten trillion, two hundred thirty-five billion, ten million, two hundred fifty thousand, four hundred forty-two".