1212021119973 has 32 divisors (see below), whose sum is σ = 1700147589120. Its totient is φ = 767012100480.

The previous prime is 1212021119951. The next prime is 1212021119977. The reversal of 1212021119973 is 3799111202121.

It is not a de Polignac number, because 1212021119973 - 2¹³ = 1212021111781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212021119977) 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, 2265886 + ... + 2749232.

It is an arithmetic number, because the mean of its divisors is an integer number (53129612160).

Almost surely, 2^{1212021119973} is an apocalyptic number.

It is an amenable number.

1212021119973 is a deficient number, since it is larger than the sum of its proper divisors (488126469147).

1212021119973 is a wasteful number, since it uses less digits than its factorization.

1212021119973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483897.

The product of its (nonzero) digits is 13608, while the sum is 39.

The spelling of 1212021119973 in words is "one trillion, two hundred twelve billion, twenty-one million, one hundred nineteen thousand, nine hundred seventy-three".