212070542290 has 16 divisors (see below), whose sum is σ = 381734775000. Its totient is φ = 84826483840.

The previous prime is 212070542261. The next prime is 212070542293. The reversal of 212070542290 is 92245070212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 205402023369 + 6668518921 = 453213^2 + 81661^2 .

It is a super-4 number, since 4×212070542290⁴ (a number of 46 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (212070542293) 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, 373980 + ... + 751000.

Almost surely, 2^212070542290 is an apocalyptic number.

212070542290 is a deficient number, since it is larger than the sum of its proper divisors (169664232710).

212070542290 is a wasteful number, since it uses less digits than its factorization.

212070542290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433277.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 212070542290 in words is "two hundred twelve billion, seventy million, five hundred forty-two thousand, two hundred ninety".