70206121002 has 16 divisors (see below), whose sum is σ = 140550864480. Its totient is φ = 23378936592.

The previous prime is 70206120997. The next prime is 70206121021. The reversal of 70206121002 is 20012160207.

It is a super-2 number, since 2×70206121002² (a number of 22 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 70206121002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5769352 + ... + 5781507.

It is an arithmetic number, because the mean of its divisors is an integer number (8784429030).

Almost surely, 2^70206121002 is an apocalyptic number.

70206121002 is an abundant number, since it is smaller than the sum of its proper divisors (70344743478).

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

70206121002 is a wasteful number, since it uses less digits than its factorization.

70206121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11551877.

The product of its (nonzero) digits is 336, while the sum is 21.

Adding to 70206121002 its reverse (20012160207), we get a palindrome (90218281209).

The spelling of 70206121002 in words is "seventy billion, two hundred six million, one hundred twenty-one thousand, two".