1212011020101 has 8 divisors (see below), whose sum is σ = 1846873935424. Its totient is φ = 692577725760.

The previous prime is 1212011020069. The next prime is 1212011020123. The reversal of 1212011020101 is 1010201102121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1212011020101 - 2⁵ = 1212011020069 is a prime.

It is a super-3 number, since 3×1212011020101³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212011020141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28857405220 + ... + 28857405261.

It is an arithmetic number, because the mean of its divisors is an integer number (230859241928).

Almost surely, 2^{1212011020101} is an apocalyptic number.

It is an amenable number.

1212011020101 is a deficient number, since it is larger than the sum of its proper divisors (634862915323).

1212011020101 is an equidigital number, since it uses as much as digits as its factorization.

1212011020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57714810491.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1212011020101 its reverse (1010201102121), we get a palindrome (2222212122222).

The spelling of 1212011020101 in words is "one trillion, two hundred twelve billion, eleven million, twenty thousand, one hundred one".