101212020021000 has 192 divisors, whose sum is σ = 367337666666880. Its totient is φ = 23134175971200.

The previous prime is 101212020020981. The next prime is 101212020021019. The reversal of 101212020021000 is 120020212101.

It is an interprime number because it is at equal distance from previous prime (101212020020981) and next prime (101212020021019).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 344111572 + ... + 344405571.

It is an arithmetic number, because the mean of its divisors is an integer number (1913217013890).

Almost surely, 2^{101212020021000} is an apocalyptic number.

101212020021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101212020021000 is an abundant number, since it is smaller than the sum of its proper divisors (266125646645880).

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

101212020021000 is a wasteful number, since it uses less digits than its factorization.

101212020021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688517181 (or 688517160 counting only the distinct ones).

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

Adding to 101212020021000 its reverse (120020212101), we get a palindrome (101332040233101).

The spelling of 101212020021000 in words is "one hundred one trillion, two hundred twelve billion, twenty million, twenty-one thousand".