1220012112010 has 64 divisors (see below), whose sum is σ = 2452990003200. Its totient is φ = 434724155712.

The previous prime is 1220012111963. The next prime is 1220012112013. The reversal of 1220012112010 is 102112100221.

It is a super-2 number, since 2×1220012112010² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220012112013) 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, 2108094 + ... + 2623753.

It is an arithmetic number, because the mean of its divisors is an integer number (38327968800).

Almost surely, 2^{1220012112010} is an apocalyptic number.

1220012112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220012112010 is an abundant number, since it is smaller than the sum of its proper divisors (1232977891190).

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

1220012112010 is a wasteful number, since it uses less digits than its factorization.

1220012112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4731955.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1220012112010 its reverse (102112100221), we get a palindrome (1322124212231).

The spelling of 1220012112010 in words is "one trillion, two hundred twenty billion, twelve million, one hundred twelve thousand, ten".