1012011210220 has 48 divisors (see below), whose sum is σ = 2148506263008. Its totient is φ = 400375019520.

The previous prime is 1012011210187. The next prime is 1012011210227. The reversal of 1012011210220 is 220121102101.

1012011210220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1012011210220² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1012011210220.

It is not an unprimeable number, because it can be changed into a prime (1012011210227) 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, 2881714 + ... + 3213766.

It is an arithmetic number, because the mean of its divisors is an integer number (44760547146).

Almost surely, 2^{1012011210220} is an apocalyptic number.

1012011210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012011210220 is an abundant number, since it is smaller than the sum of its proper divisors (1136495052788).

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

1012011210220 is a wasteful number, since it uses less digits than its factorization.

1012011210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333730 (or 333728 counting only the distinct ones).

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

Adding to 1012011210220 its reverse (220121102101), we get a palindrome (1232132312321).

The spelling of 1012011210220 in words is "one trillion, twelve billion, eleven million, two hundred ten thousand, two hundred twenty".