1212152226010 has 32 divisors (see below), whose sum is σ = 2457007686144. Its totient is φ = 426563832000.

The previous prime is 1212152225983. The next prime is 1212152226013. The reversal of 1212152226010 is 106222512121.

It is not an unprimeable number, because it can be changed into a prime (1212152226013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177731521 + ... + 177738340.

It is an arithmetic number, because the mean of its divisors is an integer number (76781490192).

Almost surely, 2^{1212152226010} is an apocalyptic number.

1212152226010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212152226010 is an abundant number, since it is smaller than the sum of its proper divisors (1244855460134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212152226010 is a wasteful number, since it uses less digits than its factorization.

1212152226010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355469910.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 1212152226010 its reverse (106222512121), we get a palindrome (1318374738131).

The spelling of 1212152226010 in words is "one trillion, two hundred twelve billion, one hundred fifty-two million, two hundred twenty-six thousand, ten".