1201021202010 has 32 divisors (see below), whose sum is σ = 3294229583232. Its totient is φ = 274519131840.

The previous prime is 1201021201999. The next prime is 1201021202021. The reversal of 1201021202010 is 102021201021.

It is an interprime number because it is at equal distance from previous prime (1201021201999) and next prime (1201021202021).

It is a super-4 number, since 4×1201021202010⁴ (a number of 49 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2859574081 + ... + 2859574500.

It is an arithmetic number, because the mean of its divisors is an integer number (102944674476).

Almost surely, 2^{1201021202010} is an apocalyptic number.

1201021202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201021202010 is an abundant number, since it is smaller than the sum of its proper divisors (2093208381222).

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

1201021202010 is a wasteful number, since it uses less digits than its factorization.

1201021202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5719148598.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1201021202010 its reverse (102021201021), we get a palindrome (1303042403031).

The spelling of 1201021202010 in words is "one trillion, two hundred one billion, twenty-one million, two hundred two thousand, ten".